understanding api icp653 reading 15-worksheet-11a revision1
TRANSCRIPT
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Expert at Works
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Expert at Works
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Expert at Works
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Fion Zhang at Shanghai
22nd March 2016
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http://independent.academia.edu/CharlieChong1http://www.yumpu.com/zh/browse/user/charliechong
http://issuu.com/charlieccchong
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The Magical Book of Tank Inspection ICP
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API 653 Exam Administration -- Publications
Effectivity Sheet FOR: November 2015, March2016 and July 2016Listed below are the effective editions of the publications required for thisexam for the date(s) shown above.
API Recommended Practice 571, Damage Mechanisms Affecting Fixed Equipment inthe Refining Industry, Second Edition, April 2011
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API 653 Exam Administration -- Publications
Effectivity Sheet FOR: November 2015, March2016 and July 2016Listed below are the effective editions of the publications required for thisexam for the date(s) shown above.
API Recommended Practice 571, Damage Mechanisms Affecting Fixed Equipment inthe Refining Industry, Second Edition, April 2011
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ATTENTION: Only the following sections / mechanisms from RP 571 areincluded on the exam:
Section 3, DefinitionsPar. 4.2.7 Brittle Fracture4.2.16 Mechanical Fatigue4.3.2 Atmospheric Corrosion
4.3.3 Corrosion Under insulation (CUI)4.3.8 Microbiologically Induced Corrosion (MIC)4.3.9 Soil Corrosion4.3.10 Caustic Corrosion4.5.1 Chloride Stress Corrosion Cracking (Cl-SCC)4.5.3 Caustic Stress Corrosion Cracking (Caustic Embrittlement)5.1.1.10 Sour Water Corrosion (Acidic)5.1.1.11 Sulfuric Acid Corrosion
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API Recommended Practice 575, Inspection of Atmospheric and Low-Pressure Storage Tanks, Third Edition, April 2014
API Recommended Practice 577 – Welding Inspection and Metallurgy,Second Edition, December 2013
API Standard 650, Welded Tanks for Oil Storage, Twelfth Edition, March2013 with Addendum 1 (September 2014), Errata 1 (July 2013), and
Errata 2 (December 2014). API Recommended Practice 651, Cathodic Protection of Aboveground
Petroleum Storage Tanks, Fourth Edition, September 2014. API Recommended Practice 652, Lining of Aboveground Petroleum
Storage Tank Bottoms, Fourth Edition, September 2014 API Standard 653, Tank Inspection, Repair, Alteration, and
Reconstruction, Fifth Edition, November 2014.
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American Society of Mechanical Engineers (ASME), Boiler and Pressure Vessel Code, 2013 Edition
i. ASME Section V, Nondestructive Examination, Articles 1, 2, 6, 7 and 23(section SE-797 only)
ii. Section IX, Welding and Brazing Qualifications (Welding Only)
See end of this study note for API Official BOK
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练功闭
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ASME SECTION IX EXERCISES
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#1
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TASK# 1
Read the following paragraphs then answer the questions.
General Requirements QW-100 thru QW-195
Q1. The cut surfaces of guided-bend test specimens is designated as the:
(a) sides.
(b) face.
(c) root.
Q2. What is the angular deviation for groove weld tests from the specified
inclined plane?(a) None/
(b) ±5°
(c)±10°
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Q5. Where are notch-toughness requirements for the specimen, orientation
and acceptance criteria found?
(a) ASTM E208(b) SA-370
(c) Construction Code
ANS: b
Q6. The radiographic acceptance criteria for welders qualified in accordance
with QW-142 is found in:
(a) The Construction Code
(b) QW-191.2.2(c) QW-192.2
ANS:
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Q7. The qualification of a new WPS or there-qualification of an existing WPS
shall be in accordance with the:
(a) component contract date.(b) current Edition and Addenda of Section IX.
(c) 1962 or later Edition of Section IX.
ANS: b
Q8. In relation to the surface of the plate or pipe, what is the required test
position orientation of a stud during welding?
(a) Perpendicular to the surface.
(b)±
15°
from the specified horizontal plane(c) ± 15 ° from the specified vertical plane.
ANS:
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Q9. How is the minimum specimen curvature of guided-bend jig specimens
verified'?
(a) A 1/8" diameter wire cannot be inserted between the specimen and thedie.
(b) A 1/8" diameter wire cannot be inserted between the specimen and the
plunger.
(c) The specimen is bottomed ejected.
Q10. How is the tensile strength of a tension test specimen computed?
(a) Dividing the maximum load by the least cross-sectional area of the
specimen as measured before the load is applied.(b) Dividing the maximum load by the least cross-sectional area of the
specimen as measured after the load is applied.
(c) Measuring the percent of outer fiber elongation as required by the
construction Code . ANS: b
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Q11.What pipe fillet weld test positions are not to be rotated during welding?
(a) 2F-3F-4F-5F
(b) 1 F-3F-5F(c) 2F-4F-5F
ANS: a
Q12. What pipe fillet weld test positions are allowed to be rotated duringwelding?
(a) 1F-2F-2FR
(b) 1F-2FR-3F
(c) 1F-2FR ANS:
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Q13. Procedure and performance macro-examination specimens are etched
to give clear definition of: ·
(a) weld metal and heat affected zone.(b) inclusions and porosity.
(c) root of the weld.
ANS: a
Q14. Under what conditions are tension tests considered acceptable if the
specimen breaks in the base metal outside the weld or fusion line?
(a) Lf there are no open defects exceeding 1/16" measured In any direction.
(b) If the strength is not more than 5% below the specified minimum tensilestrength of the base metal.
(c) Lf there are no open defects exceeding 1/8” in the bond line.
ANS: a
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Task# I Ref Para
1. A QW-161
2. B QW-1203. C QW-100.1
4. B QW-151.2
5. C QW-171.2, 171.3
6. B QW-191.2.27. B QW-100.3
8. QW-123.1
9. A QW-162.1
10. A QW-15211. C QW-132.2, 132.3,132.4
12. C QW-132.1, 132.2
13. A QW-183
14. B QW-153.l (d)
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#2
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Q1. Under what conditions may a WPS, PQR or WPQ qualified in accordance
with the 1957 Edition be used?
(a) When they meet the requirements of the 1962 or any later Edition.(b) After they have been revised to reflect the latest Edition of Section IX.
(c) Not permitted.
ANS: a
Q2: The methodology for the qualification of welders and welding operators
by radiography are given in:
(a) QW-191.2
(b) Article 2, Section V(c) The construction Code
ANS: b
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QW-191.1 Radiographic Examination
QW-191.1.1 Method. The radiographic examination
in QW-142 for welders and in QW-143 for welding operatorsshall meet the requirements of Article 2, Section V,
except as follows:
(a) a written radiographic examination procedure is not
required. Demonstration of density and image qualityrequirements on production or technique radiographs shall
be considered satisfactory evidence of compliance with
Article 2 of Section V
(b) final acceptance of radiographs shall be based onthe ability to see the prescribed image and the specified
hole of a hole-type image quality indicator (IQI) or the
designated wire of a wire-type IQI. The acceptance standards
of QW-191.1.2 shall be met.
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QW-191.2 Ultrasonic Examination
QW-191.2.1 Method
(a) The ultrasonic examination in QW-142 for weldersand in QW-143 for welding operators may be conducted
on test welds in material 1 ⁄ 2 in. (13 mm) thick or greater.
(b) Ultrasonic examinations shall be performed using a
written procedure verified by the manufacturer to be incompliance with paragraph T-150, Article 1, Section V
and the requirements of Article 4, Section V for methods,
procedures, and qualifications.
(c) Ultrasonic examination personnel shall meet therequirements of QW-191.2.2.
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Q3. When may longitudinal-bend tests be used in lieu of transverse guided
bend tests to qualify a WPS?
(a) When the axis of the weld is transverse to the longitudinal axis of thespecimen.
(b) When the weld metal or base metal combinations differ markedly in
bending properties between the two base metals or the weld metal and
base metal.(c) When the axis of the weld is parallel to the longitudinal axis of the
specimen.
ANS: b
Q4. The dimensioning requirements for reduced-section tension specimens
for pipe having an O.D. less than 3 in. are found in;
(a) QW-462.1 (a)
(b) QW-462.1 (b)
(c) QW-462.1 (c)
ANS: c
Q5 W ldi d lifi d i d ith th 1974 Editi d
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Q5. Welding procedures qualified in accordance with the 1974 Edition needs
to be amended or revised to the Edition mandated for construction.
(a) True(b) False
ANS: b
Welding Procedure Specifications and Welder/Welding Operator Performance Qualification records meeting the above
requirements do not need to be amended to include any variables required by later Editions and Addenda except as specified in
QW-420
Q6. What is the angular deviation in groove weld test positions from the
specified horizontal and vertical planes during welding?
(a) ± 5°
(b) ±10°
(c) ±15° ANS: a
Q7. Tension tests and Guided-Bend tests are two mechanical weld tests
which employ ____type weld joint configurations.
(a) stud
(b) groove
(c) fillet ANS: b
QW 100 3 W ldi P d S ifi ti (WPS) itt d lifi d i
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QW-100.3 Welding Procedure Specifications (WPS) written and qualified in
accordance with the rules of this Section, and welders and welding operators
of automatic and machine welding equipment also qualified in accordancewith these rules may be used in any construction built to the requirements of
the ASME Boiler and Pressure Vessel Code or the ASME B31 Code for
Pressure Piping. However, other Sections of the Code state the rules under
which Section IX requirements are mandatory, in whole or in part, and giveadditional requirements. The reader is advised to take these provisions into
consideration when using this Section.
Welding Procedure Specifications, Procedure Qualification Records, andWelder/Welding Operator Performance Qualification made in accordance with
the requirements of the 1962 Edition or any later Edition of Section IX may be
used in any construction built to the ASME Boiler and Pressure Vessel Code
or the ASME B31 Code for Pressure Piping.
W ldi P d S ifi ti P d Q lifi ti R d d
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Welding Procedure Specifications, Procedure Qualification Records, and
Welder/Welding Operator Performance Qualification made in accordance with
the requirements of the Editions of Section IX prior to 1962, in which all of therequirements of the 1962 Edition or later Editions are met, may also be used.
Welding Procedure Specifications and Welder/Welding Operator
Performance Qualification records meeting the above requirements do notneed to be amended to include any variables required by later Editions and
Addenda except as specified in QW-420.
Qualification of new Welding Procedure Specifications or Welders/WeldingOperators and requalification of existing Welding Procedure Specifications or
Welders/ Welding Operators shall be in accordance with the current Edition
(see Foreword) and Addenda of Section IX.
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Q10 What dimensional requirement is there for the guided bend test jig
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Q10. What dimensional requirement is there for the guided-bend test jig
mandrel being used on specimens wider than 1-1/2"?
(a) At least ½" wider than the specimen width ..(b) At least 1/8" wider than the specimen width.
(c) At least 1/4 “ wider than the specimen width.
ANS: c
Q11. The substitution of radiography for mechanical testing is permitted forwelder and welding operator performance qualifications except as restricted
by QW-304 & 305.
(a) True
(b) False ANS: a
Q12. At what base metal thickness shall the multiple turned tension
specimens be used? The specimens are cut through the full thickness of the
weld with their centers parallel to the metal surface and not over 1" apart.(a) 5/8"
(b) > 1"
(c)
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Task#2 Ref Para.
1. A QW-10()3
2. B QW-191.13. B QW-161.5
4. C QW-151.2
5. B QW-100.3
6. A QW-1207. B QW-141.1, 141.2
8. A QW-122
9. B QW-100.2
10. C QW-162.1
11. A QW-142, 143
12. B QW-151.3 (b)
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#3
Reading: General Requirements
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Reading: General Requirements
QW-100 thru QW-195
Q1. The qualifications of welders and welding operators by radiography are
documented on Form QW-484 that is only a suggested form.
(a) True
(b) False
ANS: a
Q2. What is the minimum tensile strength for tension tests if the base metals
have different minimum tensile strengths?
(a) The specified minimum tensile strength of the stronger of the two.
(b) The specified minimum tensile strength of the weld metal.
(c) The specified minimum tensile strength of the weaker of the two.
ANS: c
Q3: The open defects for guided-bend test specimen of the convex surface of
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Q3: The open defects for guided bend test specimen of the convex surface of
the weld or heat affected zone shall not exceed ____
(a) 1/16".(b) 1/8"
(c) 3/16“
ANS: b
Q4. The PQR qualification test determines the ___ of the___ but not the ___
of the welder or welding operator.
(a) properties-weldment-skill
(b) skill-welder-qualification
(c) qualification-welder-skill
ANS: a
Q5. What constitutes a "set" of reduced multiple section specimens for plate
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Q5. What constitutes a set of reduced multiple section specimens for plate
or pipe tension tests?
(a) Strips of equal size that can be tested in the available equipment.(b) All specimens representing the full thickness of the weld at one location.
(c) All specimens representing half the thickness ofthe weld at one location.
ANS: a
Q6. What is the purpose of the welder's performance qualification?
(a) To determine the welder's ability to operate the equipment.
(b) To determine the mechanical properties of the weldment.
(c) To determine the welder's ability to deposit sound weld metal.
ANS: c
QW-151-1(c)
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Q ( )
(c) When multiple specimens are used, in lieu of full
thickness specimens, each set shall represent a single tensiontest of the full plate thickness. Collectively, all of the
specimens required to represent the full thickness of the
weld at one location shall comprise a set.
(d) When multiple specimens are necessary, the entire
thickness shall be mechanically cut into a minimum number
of approximately equal strips of a size that can be
tested in the available equipment. Each specimen of the
set shall be tested and meet the requirements of QW-153.
T, full plate
thickness1/3T x 3 plate thickness
Q7. The WPS must list variables, while the PQR must list
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___ , __ _
(a) essential, nonessential, I essential, supplementary essential
(b) essential, nonessential and acceptable ranges, supplementary (whenrequired) / essential, supplementary (when required)
(c) essential/ nonessential, supplementary essential
ANS: b
Q8. The cut surfaces of guided-bend test specimens are designated____of
the specimen, while the other two surfaces are called the ____and ____
surfaces.
(a) sides-face-root
(b) face-root-side
(c) root-side-face
ANS: a
Q9. Guided-bend tests require that the surface being examined becomes
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q g
the_____surface bent specimen.
(a) concave(b) convex
(c) Transverse
ANS: b
Task#3 Ref Para
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1. A QW-484
2. C QW-153.1 (b)
3. B QW-163
4. A QW-100.1
5. B QW-151.1 (c)
6. C QW-100.2
7. B QW-100.1
8. A QW-161
9. B QW-161
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#4
Reading: Procedure Qualif ications
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g
QW-200 thru QW-283
Q1. Qualification of the WPS using test coupons made of plate also qualifiesfor pipe and vice versa.
(a) True
(b) False
ANS: a
Q2. How does the Manufacturer attest that the information in the PQR is a
true record of the variables that were used during the welding of the test
coupons and that the resulting tensile, bend, or macro-etch test results are incompliance with Section IX?
(a) By having the Manufacturer certify and notarize the PQR .
(b) By having the welder certify the PQR
(c) By having the Manufacturer certify the PQR. ANS: c
Q3. A SMAW WPS was qualified with a 3” pipe, the pipe diameter range on
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the WPS permitted by Code shall be:
{a) 2 7/8" 0.0. or over.
(b) All diameters and all thickness.
(c) All diameters within the base metal thickness range.
ANS: c
Q4. In general, what mechanical test is mandated for P-No. 11 quenched and
tempered metals, for low temperature applications of other metals as applied
to Section VIII?
(a) Notch-toughness tests.
(b) Guided bend tests.
(c) Tension tests.
ANS: a ?
Q5. The qualification of the ___is the welding of test coupons, the testing of
i d di th d t d t t lt i
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specimens, and recording the data and test results in a ____
(a)WPS-PQR
(b)PQR-WPS
(c)WPS-WPQ
ANS: b
Q6. Under what conditions may changes be made to the PQR?
(a) Editorial or Addenda.
(b) To suit production requirements.
(c) None.
ANS: a
Q7. A PQR is a record of the welding data used to weld a test coupon and the
t t lt
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test results.
(a) True.
(b) False.
ANS: a
Q8. When qualifying a separate procedure in SAW process for root deposits
only, what is the minimum coupon thickness?
(a) ½ "
(b) ¾ "
(c) 1-½ "
(d) ¼ “
ANS: a
QW-200.4
(b) F GTAW SMAW GMAW PAW d SAW
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(b) For GTAW, SMAW, GMAW, PAW, and SAW,
or combinations of these processes, a PQR for a process
recording a test coupon that was at least ½ in. (13 mm)
thick may be combined with one or more other PQRs
recording another welding process and any greater base
metal thickness. In this case, the process recorded on the
first PQR may be used to deposit the root layers using
the process(es) recorded on that PQR up to 2t (for short circuiting
type of GMAW, see QW-404.32) in thickness
on base metal of the maximum thickness qualified by the
other PQR(s) used to support the WPS. The requirements
of Note (1) of tables QW-451.1 and QW-451.2 shall apply.
Task#4 Ref Para.
1 A QW 211
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1. A QW-211
2. C QW-201
3. C QW-203
4. A QW-200.3
5. A QW-201
6. A QW-200.2 (c)
7. A QW-200.2 (a)
8. A QW-200.4 (b)
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#5
TASK#5
R di P d Q lif i ti
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Reading: Procedure Qualif ications
QW-200 thru QW-283Q1. A Manufacturer may not subcontract the preparation of test materials for
welding and subsequent work on preparation of test specimens from the
completed weldment, performance of NDE, and mechanical tests.
(a) True(b) False
ANS: b
Q2. A shop wishes to combine two existing PQR's to write a new compositeWPS. PQR No.1 was in GTAW process with a 1/4" coupon, PQR No.2 was in
SMAW process with 1/2" coupon. The WPS specifies GTAW process will only
be used for the root passes with maximum deposit not to exceed 1/4". The
base metal thickness range on the WPS should be;(a) 1/16" min 1" max.
(b) 1/16" min, 1/2" max.
(c) 3/16" min. 1" max.
(d) 3/16" min, 1/2" max. ANS: b
QW-200.4 Combination of Welding Procedures
(a) More than one WPS having different essential supplementary essential
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(a) More than one WPS having different essential, supplementary essential,
or nonessential variables may be used in a single production joint. Each WPS
may include one or a combination of processes, filler metals, or other
variables. Where more than one WPS specifying different processes, filler
metals, or other essential or supplementary essential variables is used in a
joint, QW-451 shall be used to determine the range of base metal thickness
and maximum weld metal thickness qualified for each process, filler metal, or
set of variables, and those limits shall be observed. Alternatively, qualification
of WPSs for root deposits only may be made in accordance with QW-200.4(b).
When following a WPS that has more than one welding process, filler metal,
or set of variables, each process, filler metal, or set of variables may be used
individually or in different combinations, provided
(1) the essential, nonessential, and required supplementary essential
variables associated with the process filler metal or set of variables are
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variables associated with the process, filler metal, or set of variables are
applied
(2) the base metal and deposited weld metal thickness limits of QW-451 for
each process, filler metal, or set of variables are applied
(b) For GTAW, SMAW, GMAW, PAW, and SAW, or combinations of these
processes, a PQR for a process recording a test coupon that was at least
½ in. (13 mm) thick may be combined with one or more other PQRs
recording another welding process and any greater base metal thickness.
In this case, the process recorded on the first PQR may be used to
deposit the root layers using the process(es) recorded on that PQR up to
2t (for shortcircuiting type of GMAW, see QW-404.32) in thickness on
base metal of the maximum thickness qualified by the other PQR(s) used
to support the WPS. The requirements of Note (1) of tables QW-451.1 and
QW-451.2 shall apply.
Discussion:GTAW PQR variables: T=1/4” t=1/4”
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GTAW PQR variables: T=1/4 t=1/4
qualified range: T = 1/16 ~ ½”, t max = ½”
The GTAW can not used for welding T> ½”
Answer: 3/16" min. 1" max. incorrect!
Q3. Why should precaution be taken if Form QW-483 is used to document the
essential variables that were used during the welding of the test coupons?
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essential variables that were used during the welding of the test coupons?
(a) The Form does not easily lend itself to cover multiple processes or more
than one No. in one test coupon.
(b) Revisions are not permitted except as defined in QW-200.2 (c).
(c) Form QW-483 is only a suggested format for procedure qualifications.
ANS: a
Q4. Why have P-No's. been assigned for different base metals?
(a) They are unique identifiers assigned by Section IX.
(b) P-No's. simplify the identification of various ASTM materials.
(c) To reduce the number of welding procedure qualifications, dependent on
characteristics such as composition, weldability, and mechanical
properties.
ANS: c
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Q7. For vessels or parts of vessels constructed with P-No. 11 base metals,
weld grooves for thickness' shall be prepared by thermal processes,
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g ____ p p y p ,
when used in fabrication.
(a) 5/8“
ANS: b QW-213(?)
Q8. A butt welded coupon consisted of 1-1/2" carbon steel and ¼” stainless
steel base metals, what base metal thickness range does this coupon qualify?
(Notch toughness is not a requirement).
(a) 1/16" to 8" for both metals,
(b) 1/16" to 1/2" for stainless steel 3/16" to 8" for carbon steel.(c) 1/16" to 1/2" for stainless steel3/16" to unlimited thickness for carbon steel.
ANS: b
Q9: An organization's operational control of welding procedure qualification
for two or more companies of different names shall be defined in their __ .
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p __
(a) Manufacturing Procedures
(b) Quality Control System
(c) Qualified Supplier's List
ANS: b
Q10. What is the purpose of assigning Group Numbers to base metals?
(a) To classify the different base metal Grades.
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(b) To classify the metals within P-No's. for the purpose of procedure
qualification where notch-toughness requirements are specified.
(c) To simplify the identification of ASTM materials.
ANS: b
Q11. In procedure qualification on groove weld qualifications on 1/2" plate
qualify fillet welds for___ in base metal thicknesses and ___in diameters on
pipe and tube.
(a) 1/16"to 1", 2 7/8" O.D. and over
(b) All, All(c) All, 2 7/8" O.D. and over
(d) 1/16" to 1 ", all
ANS: b
Q12. The ____ is a true record of the variables that were used during the
welding of the test coupon and that the resulting tensile, bend or macro-etch
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(as required) test results are in compliance with Section IX
(a) WPS
(b) PQR
(c) WPQ
(d) All of the above
ANS: b
Task#5 Ref Para.
1. B QW-201
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2. C QW-200.4, 451.1
3. A QW-200.(d)
4. C QW-200.3
5. C QW-203
6. C QW-200.1 (b)
7. A QW-2138. B QW-451.1
9. B QW-201
10. B QW-200.3
11. B QW-202.2 (c)12. B QW-200.2 (a)
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Task#6 Ref Para.
1. B QW-321.4
2 C QW 304 1
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2. C QW-304.1
3. C QW-302.2
4. A QW-301.3
5. B QW-306
6. A QW-306
7. A QW-461.98. A QW-302, 304
9. B QW-302.3
10. B QW-321
11. C QW-~0412. B QW-361.1
13. B QW-322.1
Reading:
Performance Qualifications
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QW-300 thru QW-383Q1. What are the retest requirements for a welder who has failed his renewal
qualification
test after he has received additional training or practice?
(a) Complete requalification in accordance with QW-301.2.(b) A new test shall be made for each position he failed.
(c) Weld a single test coupon of either plate or pipe.
ANS: b
Q2. What is the length of a welder's first production weld that needs to be
radiographed for qualification?
(a) 3'
(b) 3"(c) 6“
ANS: c
Q3. What is the extent of radiography for a welder who is qualified by
radiography?
( ) 3' d h ll i l d th ld i f f i
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(a) 3' and shall include the weld circumference for pipe.
(b) 3" and shall include 1/2" either side of the weld on plate.
(c) 6" and shall include the weld circumference for pipe.
ANS: c
Q4. By what method does a Manufacturer identify the work of a welder orwelding operator?
(a) By assigning an identification number, letter, or symbol.
(b) By having the welder or welding operator initial the traveler or process
sheet(c) This is no longer required
ANS: a
Q5. How are the thickness limits determined for a welder when qualified using
multiprocess procedure?
(a) By the thickness of the weld he deposits with each welding process in
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(a) By the thickness of the weld he deposits with each welding process in
which this thickness shall be considered the test coupon thickness asgiven in QW.451
(b) By the thickness of the weld he deposits with each welding process, in
which this thickness shall be considered the test coupon thickness as
given in QW.452 ANS: b
Q6. Using a combination procedure a welder may be qualified with each
individual welding process in separate test coupons, or with a combinationof welding processes in a single test coupon.
(a) True
(b) False.
ANS: a
Q7. Welder's and welding operators who pass the tests for groove welds are
qualified for what groove and fillet weld positions?
(a) The positions of groove and fillet welds shown in QW 461 9
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(a) The positions of groove and fillet welds shown in QW-461.9.
(b) In all thicknesses of material, sizes of fillet welds, and diameters of pipeand tube 2 7/8" and less.
(c) In all thicknesses of material sizes of fillet welds, and diameters of pipe
and tube 2-7/8" and over.
ANS: A
Q8. The three methods by which a welder or welding operator may be
qualified are __ of initial production weld, radiography of____ or____
taken from a test coupon.(a) radiography-test coupon-bend tests
(b) bend tests -test coupon-tension tests
(c) tension tests-test coupon-bend tests
ANS: A
Q9. What welding positions on pipe test coupons omit the specimens in the
upper right and lower left quadrants, and replaces the root bend specimen in
the upper left quadrant with a face bend?
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the upper left quadrant with a face-bend?
(a) 2G or 5G(b) 1G or 2G
(c) 5G or 6G
ANS:
Q10. What are the immediate retests required if a welder fails the mechanical
tests of QW-302.1 or radiography examination of QW-302.2? .
(a) Mechanical tests.
(b) Mechanical tests and radiographic examination respectively.(c) Radiographic examination.
ANS: b
Q11. With the exception of GTAW, what P-Nos. are prohibited in the
qualification of welders by radiography?
(a) P-2X P-4X and P-5X
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(a) P-2X, P-4X, and P-5X
(b) P-2X, P-3X, and P-5X(c) P-2X, P-5X, and P-6X
ANS: c
QW-361.1
Q12. Machine welding is classified as a ____ category.
(a) manual
(b) welding operator
(c) semi-automatic ANS: b
Q13. A welder who welds in only one position for more than six months loses
his qualification in other positions for which he is qualified in a given process.(a) True
(b) False
ANS: b
QW-304 Welders
Except for the special requirements of QW-380, each welder who welds
under the rules of the Code shall have passed the mechanical and visual
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under the rules of the Code shall have passed the mechanical and visual
examinations prescribed in QW-302.1 and QW-302.4 respectively.
Alternatively, welders may be qualified by volumetric NDE per QW-191 when
making a groove weld using SMAW, SAW, GTAW, PAW, and GMAW (except
short-circuiting mode for radiographic examination) or a combination of theseprocesses, except for P-No. 21 through P-No. 26, P-No. 51 through P-No. 53,
and P-No. 61 through P-No. 62 metals.
Welders making groove welds in P- o. 21 through P-No. 26 and P-No. 51through P-No. 53 metals with the GTAW process may also be qualified by
volumetric NDE per QW-191.
The volumetric NDE shall be in accordance with QW-302.2. A welderqualified to weld in accordance with one qualified WPS is also qualified to
weld in accordance with other qualified WPSs, using the same welding
process, within the limits of the essential variables of QW-350.
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#7
TASK#7
Reading:
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Performance Qualif ications QW-300 thru QW-384Q1. Performance qualifications conducted in special orientations are valid forthe special position actually tested and the_____, except that an angular
deviation of_____ is permitted in the inclination of the____ and the rotation of
the______ (a) vertical position, ±5°, weld axis, production piece
(b) flat position, ±5°, production piece, weld fixture
(c) flat position, ±15°, weld axis, weld face.
ANS: b
Q2. What option does a Manufacturer have if a welder fails the production
weld alternative of QW-304.1?
(a) Radiograph an additional 6" of the same production weld.(b) Radiograph an additional12" of the same production weld.
(c) Radiograph an additional12" of the same production weld.
ANS: c
Q3. If the radiograph of the alternative production weld used for qualification
does not meet the radiographic standards:
(a) Radiograph an additional 6" of the same production weld.
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(a) Radiograph an additional 6 of the same production weld.
(b) The welder shall be retested by mechanical tests.(c) The welder has failed the test, requiring RT of all his production welds and
repaired by a qualified welder.
ANS: c
Q4. What is the intent of performance qualification tests?
(a) To determine the ability of welders and welding operators to make sound
welds.
(b) Provide direction to the welder or welding operator.(c) To prove the mechanical properties of the weldment.
ANS: a
Q5. Why is the Manufacturer responsible for conducting tests to qualify
welders and welding operators in accordance with a qualified WPS which
his organization employs in construction? ·
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g p y
(a) The welder's performance is not transferable from employer to employer,(b) To assure that they are capable of developing the minimum requirements
specified.
(c) The responsibility of the qualifying welders can not be delegated to
another organization.(d) All of the above.
ANS: d
Q6. A welder shall be re-qualified whenever a change is made in one or moreof the ___ variables listed for each welding process
(a) essential
(b) supplemental essential
(c) essential and nonessential ANS: a
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Q9. When performance qualification is done in accordance with a WPS that
requires preheat or post weld heat treatment, these may be omitted.
(a) True
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( )
(b) False ANS: a
Q10. What are the requalification requirements for a welder who has had his
qualifications revoked because there was a specific reason to question hisability to make sound welds?
(a) Weld a single test coupon of either pipe or plate, of any material, thickness
or diameter, in any position.
(b) Weld a test coupon appropriate to qualify him for the production work hewill do and tested in accordance with QW-301 and QW-302.
(c) May be extended when welding with another process.
ANS: b
Q11. What position limitations are placed on the welder if he prepares the
WPS qualification test coupons?
(a) Qualification of the WPS in any position qualifies for all positions.
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(b) Qualified only within the limits for positions specified in QW-303.(c) Qualified only for the position(s) used during the welding of the test
coupon.
ANS: c
Q12. For performance qualification, how are the deposited weld metal
thickness limitations determined if a single test coupon is used for a
combination welding process?
(a) They are considered individually for each welder and each process used.(b) In accordance with QW-451.
(c) In accordance with QW-452.
ANS: a
Q13. Failure of any portion of a combination test in a single test coupon
constitutes failure of the entire combination.
(a) True
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(b) False ANS: a
QW-306
Task#7 Ref Para.
1. C QW-303.3
2. C QW-321.3 (b)
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3. C QW-304.24. A QW-301.1
5. D QW-300.2
6. A QW-351
7. B QW-3048. B QW-301.4
9. A QW-301.2
10. B QW -322.2 (b)
11. B QW-301.212. C QW-306
13. A QW-306
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#8
Task#8 Ref Para.
1. B QW-403.10
2. C QW-401.3
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3. A QW-420.14. A QW-401
5. A QW-451.1
6. B QW-401.1
7. B QW-424.18. B QW-431
9. A QW-423.1
10. C QW-355
TASK#8
Welding Data
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QW-400 thru QW-450Q1. A manufacturer is qualifying a WPS in GMAW process in short circuit arctransfer mode. The test coupon is ½" thick the maximum thickness qualified
for the WPS would be,
(a) 0.5"(b) 0.275"
(c) 0.25"
ANS: 1”
QW-403.10 For the short-circuiting transfer mode of
the gas metal-arc process, when the qualification test coupon
thickness is less than 1 ⁄ 2 in. (13 mm), an increase in
thickness beyond 1.1 times that of the qualification test coupon. Forthicknesses of 1 ⁄ 2 in. (13 mm) and greater, use
table QW-451.1 or table QW-451.2, as applicable.
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Q2. Under what conditions may a WPS that has been qualified without notch
toughness may be used for applications where they are applicable?
(a) Qualification without notch toughness qualifies the procedure with notch
t h i t
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toughness requirements.(b) After the procedure has been requalified to include the notch toughness
requirements.
(c) After preparing an additional test coupon using the same essential
variables, but additionally with all the required supplementary essentialvariables, in a coupon long enough to provide the necessary specimens.
ANS: c
Q3. What effect did the 1974 Edition have on material in the 1971 Editionwhen new PNo.’s, or the assignment to different subgroups within a P-No.
were given?
(a) Procedure and performance qualifications continued to be valid based on
the new P-No. designations.(b) Required re-quafification of those welding procedures.
(c) Required re-qualification of welders and welding operators.
ANS: a
Q4. As a convenience, variables for procedure and performance
qualifications are summarized in and respectively.
(a) QW-250- QW-350
(b) QW 451 QW 452
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(b) QW-451 - QW-452(c) QW-252- QW-265
ANS:
Q5. A SMAW WPS was written with notch-toughness test. The test couponon the supporting PQR is 3/8" in thickness. What would be the base metal
thickness qualified range for the WPS?
(a) 1/16" thru 3/4"
(b) 3/8" thru 3/4"(c) 3/16"thru 3/4“
ANS: a
Q6. A change in a welding condition which will affect the mechanical
properties of a weldment or the ability of a welder to deposit sound weld metal
is dependent upon which type of variable?
( ) N ti l
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(a) Nonessential(b) Essential
(c) Supplemental Essential
ANS: b
Q7. The test coupon for a PQR consisted P5A to P4 materials when notch
toughness is not a factor, the base metals qualified would be;
(a) P-No.5A to P-No.4 only
(b) P-No.5A to P-No.4, P-No.3, and P-No.1(c) P-No.5A to P-No.5A and P-No.4 to P-No.4
(d) None of the above
ANS: b
QW-424.1
QW-424 Base Metals Used for Procedure
QualificationQW-424.1 Base metals are assigned P-Numbers in table QW/QB-422; Metals that do
not appear in table QW/QB 422 are considered to be unassigned metals except as
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not appear in table QW/QB-422 are considered to be unassigned metals except asotherwise defined for base metals having the same UNS numbers. Unassigned metals
shall be identified in the WPS and on the PQR by specification, type and grade, or by
chemical analysis and mechanical properties. The minimum tensile strength shall be
defined by the organization that specified the unassigned metal if the tensile strength
of that metal is not defined by the material specification.
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Q10. What welding process addresses the essential performance variables
for the flux cored arc welding process?
(a) SAW
(b) PAW
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(b) PAW(c)GMAW
ANS: c
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#9
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TASK#9
Welding Data
QW-451 thru QW-492Q1 Wh lif i ld t 6G iti i 6" h d l 40 (0 280")
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QW-451 thru QW-492Q1 . When qualifying a welder at 6G position using a 6" schedule 40 (0.280")pipe test coupon, the required type and number of tests are:
(a) One face bend test and one root bend test
(b) Two side bend tests(c) Either two face and two root bend tests or four side bent tests
(d) Two face and two root bend tests
ANS: a
NOTES:
(1) To qualify using positions 5G or 6G, a total of four bend specimens are
required. To qualify using a combination of 2G and 5G in a single test coupon,
a total of six bend specimens are required. See QW-302.3. The type of bend
test shall be based on weld metal thickness.
Q2. A welder has been qualified by a 2" nominal schedule. 40 pipe in the 5G
position. Is he qualified to weld a groove weld of a 3/4" nominal, 3000 lb.
coupling in the overhead position in the field?
(a) yes
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(a) yes(b) No
ANS: b
Q3. In reviewing the form QW-483 (PQR form) in a Code shop, the
Authorized Inspector noticed the thickness of test coupon was
documented as 3/4" SA-285C plate. However on the back of the form
thickness of the specimen was recorded as 0.725". The difference in
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thickness of the specimen was recorded as 0.725 . The difference inthickness is most likely because.
(a) A mistake in the testing laboratory, they documented a different set of
coupon on this PQR.
(b) The thickness of the specimen is approximate.(c) The test coupon has been machined down to 0.725" to offset the heat
distortion due to welding.
ANS: c
Q4. A welder was qualified by a plate at 4G (overhead) position in the lab. He
will be qualified to weld pipe 2 7/8" O.D. and over, but under 24" O.D. in
the field in the overhead position.
(a) True(b) False
ANS: b correct answer
QW-461.9 Performance Qualification — Position And Diameter Limitations
(Within The Other Limitations Of Qw-303)
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Q5. The SAW process is commonly classified as a process in _____ and
GMAW as a process for______ welding.
(a) Automatic, semi-automatic
(b) Semi-automatic, manual
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( ) ,(c) Machine1 semi-automatic welding
ANS: a
Q6. A welder is qualified in 6G position on a 2" schedule 160 pipe (2-3/8"O.D.). What is the diameter range and position the welder is qualified to weld?
(a) 2.375" O.D. and over, 6G position
(b) 2" NPS and over, all positions
(c) 1.00” O.D. and over, all positions ANS: c
#10
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#10
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Q3. The PQR must list:
A. essential variables
B. qualification test & examination results
C. supplementary essential variables (when notch toughness is required)D ll f th b
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pp y ( g q )D. all of the above
ANS: a
Q4. What is the earliest Edition of Section IX recognized by the current edition? A. 1958
B. 1992
C. 1987
D. 1962 ANS: d
Q5. New Welding Procedure Specifications must meet the _______ Edition
and Addenda of Section IX.
A.1962
B. currentC 1986
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C. 1986
D. 1995
ANS: b
Q6. Each____ shall conduct the tests required by Section IX to qualify the
WPS's used during the construction, alteration, or repair.
A. Welder or welding operator
B. Manufacturer or contractor C. Inspector
D. All of the above
ANS: b
Q7. The records of procedure, welder and welding operator qualification must
be available to the
A. Manufacturer
B.Welder C Authorized Inspector
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C. Authorized Inspector
D. Foreman
ANS: c
Q8. A welder qualifying with a groove weld in plate in the 4G position is
qualified to weld groove welds in plate and pipe over 24"0.D. in at least the
________positions.
A Vertical
B. Flat & horizontal
C. Flat & overhead
D. Horizontal
ANS: c
Q9. A welder qualifying with plate fillet welds in the 3F and 4F positions is
qualified to weld groove welds in plate in the positions.
A. Flat only
B. Flat and horizontalC Flat and vertical
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C. Flat and vertical
D. None of the above
ANS: d
Q10. A welder qualifying by making a groove weld on pipe with an O.D. of
3/4" in the 5G position is qualified to weld groove welds in:
A. 1/2" O.D. Pipe in the overhead position
B. 6" O.D. Pipe in the vertical positionC 3/4" O D Pipe in the horizontal position
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C. 3/4 O.D. Pipe in the horizontal position
D. None of the above
ANS: b
Q11. In general, qualification on groove welds also qualifies a welder to make:
A. Stud welds
B. Overhand welds
C. Fillet weldsD. All of the above
ANS: c
Q12. Charpy V-notch tests are performed to determine a weldment's
A. Tensile strength
B. Ductility
C. Notch toughnessD All of above
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D. All of above
ANS: c
Q13. A welder making a groove weld using the SAW process on P1 materials
may be qualified using radiography. A. True
B. False
ANS: a
Q14. When a tensile specimen breaks in the base metal outside of the weldor fusion line, the strength recorded may be at most_____ below the specified
tensile and be accepted.
A. 3.5%
B. .5%C. 5%
D. All of the above
ANS: c
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Q17. A WPS must describe:
A. Essential variables
B. Nonessential variables
C. Supplementary essential variables when required for notch toughnessD. All of the above
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D. All of the above
ANS: d
Q18. A PQR must describe A Nonessential variables
B. Essential variables
C. Results of Welder Qualification tests
D. Project description & NDE methods ANS: b
Q19. The ___ must certify the PQR as accurate.
A. Inspector
B. Manufacturer or contractor
C. Welder D. All of the above
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D. All of the above
ANS: b
Q20. For the SMAW process _______ is an essential variable for the WPS. A. Groove design
B. Post Weld Heat Treatment
C. Root spacing
D. Method of cleaning ANS: b
Q21. For the SAW process ______ is an essential variable for the WPS.
A. Supplemental powdered filler metal (if used)
B. Filler metal diameter
C. Preheat maintenanceD. Addition or deletion of peening
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p g
ANS: a
404.10 Alloy flux X
Q22. The basic purpose of testing a welder is to establish the welder;s -------·
A. Knowledge of welding requirements
B. Ability to deposit sound weld metal
C. mechanical ability to operate equipmentD. General attitude toward welding inspectors
ANS: b
Q23. The record of a welder's performance test is called a ______
A. PQR
B. WOR
C. WPSd. WPQ
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ANS: d
Q24. If a welder qualified with the SMAW process on Jan. 1. 1994 and last
welded with SMAW on March 15, 1994, would he still be qualified onOctober 7, 1994?
A. Yes
B. No
ANS: bQ25. A welder qualifying with a groove weld welded from both sides is
qualified to weld_____
A. Without backing
B. With all base metalsC. With backing only
D. With P1 backing only
ANS: c
Q26. Immediate retests of welders qualifications coupons
A. Must use the same method
B. May use any method
C. Are not allowedD. Require Inspector approval
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q p pp
ANS: a
Q27. Welder performance qualification records must describe all the ______variables specified.
A. Essential & nonessential
B. Nonessential
C EssentialD. Brazing
ANS: c
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QW-452 Performance Qualification Thickness
Limits and Test Specimens
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Q30. A welder qualifying by welding P-No. 21 to P-No. 21- is qualified to weld
A. P-1- P-11 to P-1- P-11
B. P-8- P8
C. P-21 - P-25 to P-21 - P-25D. P21 to P21 only
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ANS: c
Q31. Welding electrodes are grouped in Section IX by A. AWS class
B. ASME specification
C. SFA
D. "F" number ANS: c
QW-430 F-NUMBERS
QW-431 General
The following F-Number grouping of electrodes and
welding rods in table QW-432 is based essentially on their usability characteristics, which fundamentally determine
h bili f ld k i f ld i h
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the ability of welders to make satisfactory welds with a
given filler metal. This grouping is made to reduce the
number of welding procedure and performance qualifications,where this can logically be done. The grouping does
not imply that base metals or filler metals within a group
may be indiscriminately substituted for a metal that was
used in the qualification test without consideration of thecompatibility of the base and filler metals from the standpoint
of metallurgical properties, postweld heat treatment
design and service requirements, and mechanical
properties.
QW-432
F-NUMBERS
Grouping of Electrodes and Welding Rods for Qualification
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Q32. Ferrous weld metal chemical composition may be designated using
A. "P" Number
B. Welder I. D.
C. "A" number D. page number
ANS
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ANS: c
Q33. For welder qualification with the SMAW process ____ is an essentialvariable.
A. Base metal thickness
B Peening
C. P-number D. Electrode diameter
ANS: c
Q34. Each welder must be assigned a(n)
A. P number
B. Unique identifier
C. Hood & glovesD. Inspector
ANS: b
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ANS: b
Q35. May a welder, qualified in the 2G position on 1/4 inch thick plate, weld a1 inch outside diameter pipe, 1/4 inch thick in the horizontal position without
requalification?
A. Yes
B. NoC. Not enough information provided
D. Yes, provided pipe is carbon steel, P#1
ANS: b
Q36. What is the basic difference between gas metal arc welding and gas
tungsten arc welding processes?
A. How they are produced
B. The.SFA specification of the filler metalC. The F# of the filler metal
D GTAW is run with gas; gas is optional with GMAW
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D. GTAW is run with gas; gas is optional with GMAW
ANS: a
Q37. A welder has been tested in the 6-G position, using an E-7018 F-4
electrode, on 6" sch 160 (.718" nom) SA 1068 pipe. Is this welder qualified to
weld a 2" 300# ANSI schedule 80 bore flange to a 2" schedule 80 SA 106 B
nozzle neck? A. Yes
B. No
C. Not enough information provided
D. Yes, provided a backing strip is provided in the 2" weld. ANS: b
Q38. May a welder who is qualified using a double-groove weld, make a
single V-groove weld without backing?
A. Yes
B. NoC. Not enough information provided
D Yes because backing is not an essential variable for a welder
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D. Yes, because backing is not an essential variable for a welder
ANS: b
Q39. May a GTAW welder be qualified by radiography, in lieu of bend tests?
The test coupon will be P-22 material and the production welds will be P-22
also.
A. YesB. No
C. Not enough information provided
D. Yes, provided the P-22 is welded with F-22 fillers
ANS: b
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P2/5/6
SA-240 Type 310Cb S31040 75 (515) 8 2 102 8.2 25Cr–20Ni –Cb Plate, strip
SA-182 F22, Cl. 1 K21590 60 (415) 5A 1 102 5.2 2.25Cr–1Mo Forging
SA-182 F6a, Cl. 1 S41000 70 (485) 6 1 102 7.2 13Cr Forgings
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Q40. Who is responsible for qualification of welding procedures, welders and
welding operators?
A. The Inspector
B. The A.I.C. The Shop Foreman
D: The Manufacturer of Contractor
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D: The Manufacturer of Contractor
ANS: d
Q41. A welding electrode has the marking E-6010. The "1" marking indicates:
A. Flat position only
B. Harizantal position only
C. All positionsD. Only goad for heat treated welds
ANS: c
Q42. May a FCAW welder qualified using UT, be used to weld in production?
A. Yes, welder can be used
B. No welder cannot be used
C. Yes, if welder is using GMAW (Short Arc)D. Yes, if welder is qualified with backing
ANS: b
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ANS: b
Q43. A wefder may deviate from the parameters specified in a WPS if theyare a nonessential variable. (True or False)
A. True
B. False
ANS: b
Q44. A repair organization has a WPS which states it is qualified for P-6 to P-
8 material welded with either E308, E308L, E309, E316, electrodes (SMAW
process).
The PQR, supporting this WPS, states the weld test coupons were SA-240Type 304L material, welded with E308 electrodes. Is the WPS properly
lifi d f th b t i l li t d?
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qualified for the base material listed?
A. Yes
B. NoC. Nat enough information given
D. Yes, if properly heat treated
ANS: b
Q44. A repair organization has a WPS which states it is qualified far P-6
(Martensitic/Ferritic SS) to P-8 material (Austenitic SS) welded with either
E308, E308L, E309, E316, electrodes (SMAW process).
The PQR, supporting this WPS, states the weld test coupons were SA-240Type 304L material (P8, γ SS), welded with E308 electrodes. Is the WPS
l lifi d f th b t i l li t d?
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properly qualified for the base material listed?
A. Yes
B. NoC. Nat enough information given
D. Yes, if properly heat treated
ANS: b? P8-P8 coupons
QW-424 Base Metals Used for Procedure
Qualification
QW-424.1 Base metals are assigned P-Numbers in table QW/QB-422; Metals
that do not appear in table QW/QB-422 are considered to be unassignedmetals except as otherwise defined for base metals having the same UNS
numbers. Unassigned metals shall be identified in the WPS and on the PQR
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g
by specification, type and grade, or by chemical analysis and mechanical
properties. The minimum tensile strength shall be defined by the organizationthat specified the unassigned metal if the tensile strength of that metal is not
defined by the material specification.
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Q45. What positions are necessary to qualify a welder far all position pipe
welding?
A. 3G and 4G
B. 2G and 5GC. 3G and 1G
D. 4G and 5G
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ANS: b
Q46. What ASME Code Section has welding electrode storage requirements?
A ASME IX
B. ASMEVIII
C. ASME B31.1D. ASME II Part C
ANS: d
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Q47. What are the number of transverse guided bend tests required forPerformance Qualification in a 6G position?
A. 2
B. 4
C. 6D. 3
ANS: b
Q48. May a GMAW, short circuit transfer, welding procedure be qualified
using real-time utrasonics?
A. Yes
B. NoC. No t enough information given
D. Yes, provided bend tests are done
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ANS: b
Q49. Three arc welding processes are:
A. BMAW, SMAW, EFGAW
B. FCAW, SAW, ESW
C. SMAW, GTAW, PAWD. PTAW, SLAW, PEAW
ANS: b
Q50. You are reviewing a WPQ (QW-484) for a welder testing in the 6-G
position; on SA-53 grade B pipe (TS-60,000 psi). The test results indicate the
following:
#1 Tensile developed 51,000 psi, broke in the weld#2 Tensile developed 56,900 psi, broke in base metal
#1 Transverse root bend satisfactory
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#2 Transverse face bend satisfactory
Will these test qualify the welder?
A. Yes
B. No
C. Not enough information given
D. Tension test is acceptable but #1 is unacceptable
ANS: A
ESW
Electroslag welding (ESW) is a highly
productive, single pass welding process
for thick (greater than 25 mm up toabout 300 mm) materials in a vertical or
close to vertical position. (ESW) is
similar to electrogas elding b t the
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similar to electrogas welding, but the
main difference is the arc starts in a
different location. An electric arc isinitially struck by wire that is fed into the
desired weld location and then flux is
added. Additional flux is added until the
molten slag, reaching the tip of theelectrode, extinguishes the arc. The
wire is then continually fed through a
consumable guide tube (can oscillate if
desired) into the surfaces of the metal
work pieces and the filler metal are thenmelted using the electrical resistance of
the molten slag to cause coalescence.
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#11
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Q51. Is a welding procedure qualified under the 1965 ASME Code Section IX
still applicable?
A. Yes
B. No, must be requalifiedC. Is only applicable for 1965 pressure vessels
D. Cannot be used for new construction - repairs only
ANS: a
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ANS: a
Q52. A nonessential variable must be documented on: A. The WPQ
B. The PQR
C. The WPS
D. All of the above
ANS: c
Q53. What are the various positions in which a welder may qualify for plate
groove welds?
A. 1G
B. 3G
C. 4G
D. All of the above
ANS: d
Q54. A welder was qualified with a P-1 test coupon using SMAW E7018
electrodes. May the welder weld P-4 material using E8028 electrodes with
backing in production? (Assume the P-4 procedure using E8028 electrodes
has been qualified.) A. Yes
B. No
C Not enough infomnation provided
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C. Not enough infomnation provided
D. None of the above ANS: a
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QW-423.1 Base metal used for welder qualification may be substituted for the
metal specified in the WPS in accordance with the following table. When a
base metal shown in the left column is used for welder qualification, the
welder is qualified to weld all combinations of base metals shown in the rightcolumn, including unassigned metals of similar chemical composition to these
metals.
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Q55. What are the primary classifications of guided-bend tests pemnitted by
the Code?
A. Side and Transverse
B. Face and RootC. Transverse and Longitudinal
D. Side and Face
ANS: b
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ANS: b
Comment:
Transverse include side bend/ root bend & face bend
Longitudinal is all weld metal
Q56. A welder qualified by welding in the 5G position is qualified for what
position on plate?
A. F, H, OH
B. F, V, OH
C. V, OH, SP
D. H,V, OH
ANS: b
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ANS: b
Q57. Which of the following is a covered electrode?
A. E6010
B. E 7018
C. E 9028
D. All of the above
ANS: d
Q58. Applicable essential variables must be documented on which of the
following?
A. The WPS
B. The PQR
C. The WPQ
D. All of the above
ANS: d
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Q59. In performance qualification of pipe welds to ASME Section IX, which
positions require more than two guided bend specimens for qualification?
A. 5G and 6G
B. 2G and 4F
C. 4G and SG
D. None of the above
ANS: a
Q60. Name two defects that would cause visual rejection of a welder's test
pipe or plate?
A. Porosity, underfill
B. Lack of penetration/ fusion
C. Slag, overlap
D. Any of the above
ANS: d
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Q61. A variable that, when changed will cause a change in the mechanical
properties of the weldment is called a:
A. Essential variable
B. Non-essential variable
C. Supplementary essential variable
D. All of the above
ANS:a
Q62. The test that determines the ultimate strength of groove-weld joints is a:
A. Notch Tough ness Test
B. Tension Test
C. Fillet Weld Test
D. Guided-Bend Test
ANS: b
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Q63. The procedure qualification test is used to determine:
A. The skill of the welder
B. That the proposed production weldment is capable of having the required
properties
C. The corrosion -resistance of the proposed weldment
D. None of the above
ANS: b
Q64. A change in a supplementary essential variable requires requalification,
when notch- toughness is a consideration.
A. True
B. False (circle one)
ANS: A
Q65. When using Macro-examination of fillet weld tests, the weld and the
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HAZ must not reveal cracks when magnified at:
A. 5X
B. 2X
C. 10X
D. No magnification is required - visual examination is required, only.
ANS: d
Q66. A non-essential variable may be changed without re-qualification
because:
A. Nobody cares about non-essential variables
B. The welder is allowed to change variables at his discretion
C. Non-essential variables do not affect the mechanical or notch-toughness
properties
D. Non-essential variables cannot be changed without re-qualification
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ANS: c
Q67. The data recorded on a PQR (non-editorial) may be changed provided:
A. The AI approves
B. The test data on a PQR is a record of what occurred and should never be
changed. Only editorial information can be changed on a PQR
C. The API 510 Inspector approves
D. The date of the WPS is changed
ANS: b
Q68. A WPS must only address essential and, if applicable, supplementary
essential variables.
A: True
B. False
ANS: b
Q69. Tension tests may be used in lieu of bend tests to qualify welders or
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welding operators.
A: True
B. False
ANS: b
70. A groove weld bend test reveals a linear indication on the face of the bend
surface that measures exactly 1/8" long. No other indications are seen. does
this coupon pass or fail?
A. Pass
B. Fail
ANS: A
Q71. Unless notch-toughness is a consideration, a qualification in any
position qualifies a welding procedure for all positions.
A: True
B. False
ANS: a
Q72. The purpose of a WPS and PQR is to determine if a welder has the skill
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necessary to make sound production welds.
A: True
B. False
ANS: b
73. Welders can be qualified by radiograph when using P6X materials?
A: True
B. False
ANS: b
QW-304 Welders
Q74. It is permissible to sub-contract welding of coupons as well as other
work to prepare coupons.
A: True
B. False
ANS: a
Q75. Variable QW 402.4 for SMAW procedure qualification is a ______
i bl
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variable
A. Essential
B. Non-essential
C. Supplemental essential
D. None of the above
ANS: b
Q76. Variable QW 404.24 for SAW procedure qualification is an _____
variable
A. Essential
B. Non-essential
C. Supplemental essential
D. None of the above
ANS: d
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Q77. Each manufacturer must certify the PQR (by signature) indicating that
the information given is
A: True
B. False
ANS: a
Q78. Welder variable OW- 405.1 (for welders qualifying with the SMAW
process) is a ___ variable.
A. Essential
B. Non-essential
C. Supplemental essential
D. None of the above
ANS: a
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Q79. The purpose of a. WPS and PQR is to determine if a proposed
weldment to be used in construction is capable of providing the required
properties for the intended application.
A: True
B. False
ANS: a
Q80. A qualification in a 4G position qualifies a welder for all groove weld
positions. A: True
B. False
ANS: b
Q81. A WPS must address all applicable non-essential variables.
A: True
B. False
ANS: a
Q82. Groove weld coupons shall be tested by macro-examination when
qualifying a welding procedure.
A: True
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A: True
B. False
ANS: b
Q83. A welding procedure must be qualified with impact tests only when
required by the applicable constrction code, such as ASME VIII Div. 1.
A: True
B. False
ANS: a
Q84. A welder qualified to weld in the 2G position on pipe would have to be
qualified in which of the addiiional positions to qualify for all position groove
welding on pipe?
A. 1G
B. 2G
C. 5G
D. 6G
E All of the above
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E All of the above
ANS: C
Q85. The maximum preheat temperature decrease allowed without
requalification of a GMAW groove weld procedure is:
A. 50°F
B. 100oF
C. 125oF
D. 150oF
E. None of the above ANS: b
Q86. A welder is qualified to weld all thicknesses of material when:
A. The test is any thickness above 3/8 inch
B. The test thickness was 1/2 inch
C. The test thickness was 3/4 inch or over
D. The test pipe wall thickness was 5/8 inch and nominal pipe size was over
½ inches
E. None of the above
ANS: b?
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ANS: b?
87. What is the maximum defect permitted on the convex surface of a welder
qualification bend test after bending , except for corner cracks and
corrosion resistant weld overlay?
A. ¼ inchB. 1/8 inch
C. 1/16 inch
D. 3/16 inch
E. No defects are allowed ANS: b
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Q88. What period of inactivity from a given welding process requires the
welder to requalify in that process?
A. 3 months
B. 6 months
C 9 months
D. 12 months
E. As stated by the AI
ANS: b
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ANS: b
Q89. Notch-toughness requirements are mandatory
A. For heat treated metels
8. For quenched and tempered metals
C. For hardened and tempered metalsD. For annealed and tempered metels
E. When specified as required by the referencing Code section
ANS: e
Q90. A welder qualified for SMAW using an E7018 electrode is also qualified
to weld with:
A. E7015
B. E6011
C. E6010
D. E7024
E. All of the above
ANS: e
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ANS: e
Q91. Macro examination of an etched fillet weld section for performance
qualification is acceptable if the examination shows:
A. Complete fusion and freedom from cracks, excepting linear indications not
exceeding 1/32 inch at the root.B. Concavity or convexity no greater than 1/16 inch
C. Not more than 1/8 inch difference in leg lengths
D. All of the above
E. Both B and C above ANS: d
Q92. Each manufacturer or contractor is responsible for the welding or
brazing done by his organization. Whenever these words are used in Section
IX, they shall include:
A. Designer or architect
B. Designer or insteller
C. Architect or insteller
D. lnstaller or assembler
E. Assembler or designer
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E. Assembler or designer
ANS:
Q93. For P-11 materials, weld grooves for thicknesses_____ shall be
prepared by thermalprocesses, when such processes are to be employed
during fabrication. A. Less than 5/8 inch
B. 5/8 inch
C. 1 inch
D. 1-114 inchesE. None of the above
ANS: a
Q94. A welder using SMAW must be requalified if there is a change in which
of the following conditions?
A. A#'s
B. 6 NPS to 2 NPS
C. uphill to downhill in the groove
D. both B & C, above
ANS: a
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Q95. A change in a non-ess.ential variable requires re-certification of thePQR.
A: True
B. False
ANS: b
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