CSWIP 3.1 Quiz Multi-Choice and Questions Paper Feb 2007 1.Which of the following is the correct statement?

AC and DC can be used for MMA

AC and DC can be used for TIG

AC and DC can be used for SAW

All of the above 2. A weld of dissimilar material is termed as….

Compound weld

Transition weld

Complex weld

All of the above 3. What will you do if you find a consumable core wire is having rust on the surface?

Baking before use

It is not important

Rust should be completely removed by wiping with wool before use

Quarantine for further investigation 4. What is “High Frequency” used for some welding process?

To reduce arc strike

To give deep penetration

For controlled arc

To control interpass temperature 5. Why “Slope In” technique is used for TIG?

To reduce spatter

To reduce tungsten inclusion

To give arc stability

All of the above 6. Which of the following is a Rutile electrode?

6010

6013

6018

6016 7. Arc blow is associated with which of the following processes?

MMA

TIG

SAW

None of the above 8. What is added to steel for Deoxidation.

Sulphur

Phosphorus

Silicon

Manganese Printed On : 5/16/2010 @ 21:31:57 a5/p5

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CSWIP 3.1 Quiz Multi-Choice and Questions Paper Feb 2007 9.Fillet Fracture Test is conducted to….

Assess the strength

Assess the root penetration and fusion

Assess fracture failure

Assess the toughness 10. Welding procedure qualification is…

To give welder practice

To give instruction

11.Which effect does the cyclic loading have on a member?

Reduce strength

Reduce Fatigue life

Reduce toughness

All of the above 12. Why hard stamping is not allowed on some welding fabrication?

It is too slow

It can be safety hazard

It may be damaging to the material

All of the above 13. Which NDT method is effective for identifying laminations?

Radiography Test Magnetic Particle Test

Ultrasonic Test

Dye Penetrant Test 14. MIG/MAG welding has a tendency to give lack of sidewall fusion when…

Spray transfer conditions are used

100% CO2 shielding gas is used

Pulsed current is used

Dip Transfer conditions are used 15. During PWHT of a complex fabrication, the heating rate and cooling rate are much higher than specified. This may….

Cause excessive oxidation

Not allow sufficient time to relieve stresses

Introduce excessive compressive stresses

Cause Distortion 16. A low heat input welding will have reduced…. Printed On : 5/16/2010 @ 21:31:57 a5/p5

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CSWIP 3.1 Quiz Multi-Choice and Questions Paper Feb 2007

Toughness

Strength

Residual Stress

Harness 17. As the voltage of X-Ray set increases….

It increases the penetrating power

It increases the wave length It increases the image quality

All of the above

Theory Questions Asked in February 2007: 1.Explain your Duties as a Welding Inspector? Give a Mandatory Reference –

Compulsory Question 2. As per BS 639 : 1987 E 44 42 R (13) a. What gives Strength, Toughness and Position b. Covering c. Other characteristics

3. Why Hard Stamping is not used for some welding fabrications?

4. Explain TIG Processes.

5. Give four factors responsible for Hydrogen Cracking.

6.What is the requirement of Welding Procedure Test. Give 5 Essential Variables? Define

Essential Variable. 7.Explain Lamellar Tearing. Note: The following is not exactly as it came in the exams (especially the multi choice). In general, there is a lot of twist in the questions asked. Printed On : 5/16/2010 @ 21:31:57 a5/p5

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