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International Plumbing Code 2006 Study Guide
Unfired hot water storage tanks shall be insulated so
that heat loss is limited to a maximum of ______
British thermal units per hour (Btu/h) per square foot
(47 W/m2) of external tank surface area.
5
10
15
20
1
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section [E] 505.1 page 36
[E] 505.1 Unfired vessel insulation. Unfired hot water
storage tanks shall be insulated so that heat loss is
limited to a maximum of 15 British thermal units per
hour (Btu/h) per square foot (47 W/m2) of external tank
surface area.
Section 1002 _________ apply to fixtures with
integral traps.
shall
shall not
2
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 1002.1 page 77
1002.1 Fixture traps. Exceptions: 1. This section shall
not apply to fixtures with iintegral traps.
Each fixture trap shall have a liquid seal of not less
than 2 inches (51 mm) and not more than ____ inches
(102 mm), or deeper for special designs relating to
accessible fixtures.
2
4
6
8
3
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 1002.4 page 77
1002.4 Trap seals. Each fixture trap shall have a liquid
seal of not less than 2 inches (51 mm) and not more than
4 inches (102 mm), or deeper for special designs
relating to accessible fixtures.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 1 of 36
International Plumbing Code 2006 Study Guide
Oil separators shall have a depth of not less than ___
feet (610 mm) below the invert of the discharge drain.
2
3
4
5
4
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 1003.4.2.1 page 78
1003.4.2.1 General design requirements. Oil separators
shall have a depth of not less than 2 feet (610 mm)
below the invert of the discharge drain.
Laundry facilities not installed within an individual
dwelling unit shall be equipped with an interceptor
with a wire basket, removable for cleaning, that
prevents passage into the drainage system of solids 0.5
inche (12.7 mm) or larger in size, string, rags, buttons
or other materials detrimental to the public sewage
system.
True
False
5
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 1003.6 page 79
1003.6 Laundries. Laundry facilities not installed within
an individual dwelling unit or intended for individual
family use shall be equipped with an interceptor with a
wire basket or similar device, removable for cleaning,
that prevents passage into the drainage system of solids
0.5 inche (12.7 mm) or larger in size, string, rags,
buttons or other materials detrimental to the public
sewage system.
Which of the following shall also be regulated by the
International Plumbing Code?
nonmedical oxygen systems
condensate vacuum collection systems
both
neither
6
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 101.2 page 1
101.2 Scope. This code shall also regulate nonflamable
medical gas, inhalation anesthetic, vacuum piping,
nonmedical oxygen systems and sanitary and condensate
vacuum collection systems.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 2 of 36
International Plumbing Code 2006 Study Guide
The code official, officer or employee charged with the
enforcement of this code, while acting for the
jurisdiction, shall be required to have a bond and
thereby shall be rendered liable personally for any
damage accruing to persons or property as a result of
any act required or permitted in the discharge of
official duties.
True
False
7
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 103.4 page 2
103.4 Liability The code official, officer or employee
charged with the enforcement of this code, while acting
for the jurisdiction, shall not thereby be rendered liable
personally, and is hereby relieved from all personal
liability for any damage accruing to persons or property
as a result of any act required or permitted in the
discharge of official duties.
Records of applications received by the code official
shall be retained in the official records for
_____________.
one year
fifteen years
thirty years
as long as the building remains in existence
8
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 104.8 page 2
104.8 Department Records. The code official shall keep
official records of applications received, permits and
certificates issued, fees collected, reports of inspections,
and notices and orders issued. Such records shall be
retained in the official records as long as the building or
structure to which such records relate remains in
existence unless otherwise provided for by other
regulations.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 3 of 36
International Plumbing Code 2006 Study Guide
How many complete sets of signed and sealed
construction documents for an alternative engineered
design shall be submitted to the code official?
two
three
four
none of the above
9
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 105.4.4 page 3
105.4.4 Construction Documents. The registered design
professional shall submit to the code official two
complete sets of signed and sealed construction
documents for the alternative engineered design.
Which of the following work shall be exempt from the
requirement for a permit?
clearing a stoppage
repairing a leak in a pipe
both A and B
neither
10
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 106.2 page 3
106.2 Exempt work. The following work shall be
exempt from the requirement for a permit: 2. The
clearing of stoppages or the repairing of leaks in pipes,
valves or fixtures, and the removal and reinstallation of
water closets, provided such repairs do not involve or
require the replacement or rearrangement of valves,
pipes or fixtures.
The code official shall extend the time for action by
the permittee holding an expired permit for a period
not exceeding ______ days if there is reasonable cause.
60
120
180
none of the above
11
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 106.5.4 page 4
106.5.4 Extensions. The code official shall extend the
time for action by the permittee for a period not
exceeding 180 days if there is reasonable cause.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 4 of 36
International Plumbing Code 2006 Study Guide
After the prescribed tests and inspecitions indicate that
the work complies in all respects with this code, a
notice of approval _______ issued.
shall be
shall not be
12
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 107.4 page 5
107.4 Approval. After the prescribed tests and
inspecitions indicate that the work complies in all
respects with this code, a notice of approval shall be
issued by the code official.
The code official _______ the authority to authorize
the temporary connection of the building or system to
the utility source for the purpose of testing plumbing
systems.
shall have
shall not have
13
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 107.5 page 6
107.5 Temporary connection. The code official shall
have the authority to authorize the temporary connection
of the building or system to the utility source for the
purpose of testing plumbing systems or for use under a
temporary certificate of occupancy.
Only the permit holder shall have the right to appeal a
decision of the code official to the board of appeals.
True
False
14
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 109.1 page 6
109.1 Application for Appeal. Any person shall have the
right to appeal a decision of the code official to the
board of appeals.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 5 of 36
International Plumbing Code 2006 Study Guide
The board shall meet upon notice from the chairman,
within ____ days of the filing of an appeal.
3
7
10
15
15
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 109.3 page 7
109.3 Notice of Meeting. The board shall meet upon
notice from the chairman, within 10 days of the filing of
an appeal or at stated periodic meetings.
The size of a drainage pipe ______ reduced in the
direction of flow.
shall be
shall not be
16
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 1101.5 page 81
1101.5 Change in size. The size of a drainage pipe shall
not be reduced in the direction of flow.
Where a combined sewer is utilized, the building
storm drain shall be connected in the same horizontal
plane through a _____-wye fitting to the combined
sewer at least 10 feet (3048 mm) downstream from any
soil stack.
single
double
triple
none of the above
17
A.
B.
C.
D.
CORRECT: A International Plumbing Code
Section 1104.2 page 82
1104.2 Combining storm with sanitary drainage. Where
a combined sewer is utilized, the building storm drain
shall be connected in the same horizontal plane through
a single-wye fitting to the combined sewer at least 10
feet (3048 mm) downstream from any soil stack.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 6 of 36
International Plumbing Code 2006 Study Guide
In sizing roof drains and storm drainage piping,
_______ of the area of any vertical wall that diverts
rainwater to the roof shall be added to the projected
roof area for inclusion in calculating the required size
of vertical conductors, leaders and horizontal storm
drainage piping.
one-quarter
one-half
one-third
none of the above
18
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 1106.4 page 89
1106.4 Vertical walls. In sizing roof drains and storm
drainage piping, one-half of the area of any vertical wall
that diverts rainwater to the roof shall be added to the
projected roof area for inclusion in calculating the
required size of vertical conductors, leaders and
horizontal storm drainage piping.
Scuppers shall not have an opening dimension of less
than ___ inches (102 mm).
2
4
6
8
19
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 1107.3 page 90
1107.3 Sizing of secondary drains. Scuppers shall not
have an opening dimension of less than 4 inches (102
mm).
Subsoil drains shall be _______-jointed.
open
closed
both A and B
neither
20
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 1111.1 page 90
1111.1 Subsoil drains. Subsoil drains shall be open-
jointed,
Copyrighted by Greenview Enterprises 1997 - 2010 Page 7 of 36
International Plumbing Code 2006 Study Guide
With the exception of which of the following,
nonflammable medical gas systems, inhalation
anesthetic systems and vacuum piping systems shall be
designed and installed in accordance with NFPA 99C.
portable systems or cylinder storage
vacuum system exhaust
both A and B
neither
21
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 1202.1 page 91
1202.1 Nonflammable medical gases. Nonflammable
medical gas systems, inhalation anesthetic systems and
vacuum piping systems shall be designed and installed
in accordance with NFPA 99C. Exceptions: 1. The
section shall not apply to portable systems or cylinder
storage.; 2. Vacuum system exhaust shall comply with
the International Mechanical Code.
Which of the following is listed in the definition for a
fixture fitting?
supply fitting
waste fitting
both A and B
neither
22
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 202 page 11
202 Fixture Fitting - Supply fitting, Waste fitting
A pressure sterilizer is an autoclave.
True
False
23
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 202 page 14
202 Sterilizer - Pressure (autoclave).
Copyrighted by Greenview Enterprises 1997 - 2010 Page 8 of 36
International Plumbing Code 2006 Study Guide
An area drain is defined as ____________.
a mechanical device to eliminate siphonage.
a receptacle to collect subsurface water
a connecting device
none of the above
24
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 202 page 9
202 Definitions Area drain. A receptacle designed to
collect surface or storm water from an open area.
A base flood elevation is a reference point based on the
depth or peak elevation of flooding, including wave
height, which has a ____ percent (100-year flood) or
greater chance of occurring in any given year.
1
2
3
4
25
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 202 page 10
202. Base Flood Elevation. A reference point,
determined in accordance with the building code, based
on the depth or peak elevation of flooding, including
wave height, which has a 1 percent (100-year flood) or
greater chance of occurring in any given year.
Essentially toxic transfer fluids are soil, waste or gray
water and fluids having a Gosselin rating of _____ or
more including ethylene glycol, hydrocarbon oils,
ammonia refrigerants and hydrazine.
1
2
3
4
26
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 202 page 11
202. Essentially Toxic Transfer Fluids. Soil, waste or
gray water and fluids having a Gosselin rating of 2 or
more including ethylene glycol, hydrocarbon oils,
ammonia refrigerants and hydrazine.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 9 of 36
International Plumbing Code 2006 Study Guide
A house trap is the same as a(n) ________.
flush tank
interceptor
building trap
none of the above
27
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 202 page 12
202. House Trap. See "Building trap."
A combination of approved bends that makes two
changes in direction bringing one section of the pipe
out of line but into a line ______ with the other
section is an offset.
parallel
perpendicular
both
neither
28
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 202 page 13
202. Offset. A combination of approved bends that
makes two changes in direction bringing one section of
the pipe out of line but into a line parallel with the other
section.
How many types of relief valves are listed in the
definitions in the International Plumbing Code?
1
2
3
4
29
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 202 page 14
202. Relief Valve. Pressure relief valve. Temperature
and pressure relief (T&P) valve. Temperature relief
valve.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 10 of 36
International Plumbing Code 2006 Study Guide
A vertical pipe is any pipe or fitting that makes an
angle of ___ degrees or more with the horizontal.
15
30
45
90
30
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 202 page 15
202. Vertical Pipe. Any pipe or fitting that makes an
angle of 45 degrees (0.79 rad) or more with the
horizontal.
Low head backpressure is defined as a pressure less
than or equal to 4.33 psi (29.88 kPa) or the pressure
exerted by a ___-foot (3048 mm) column of water.
4
6
8
10
31
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 202 page 9
202. Backpressure, low head. A pressure less than or
equal to 4.33 psi (29.88 kPa) or the pressure exerted by
a 10-foot (3048 mm) column of water.
Which of the following shall be third-party certified as
conforming to NSF 14?
plastic pipe
plastic fittings
both A and B
neither
32
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 303.3 page 17
303.3 Plastic pipe, fitting and components. All plastic
pipe, fittings and components shall be third-party
certified as conforming to NSF 14.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 11 of 36
International Plumbing Code 2006 Study Guide
All strainer plates on drain inlets shall be designed
and installed so that all openings are not greater than
_____ inch in least dimensions.
0.25
0.5
0.75
1
33
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 304.2 page 17
304.2 Strainer Plates. All strainer plates on drain inlets
shall be designed and installed so that all openings are
not greater than 0.5 inch (12.7 mm) in least dimensions.
Protective shield plates shall shall extend a minimum
of ____ inches above sole plates and below tope plates.
2
3
4
5
34
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 305.8 page 18
305.8 Protection against physical damage. Protective
shield plates shall be a minimum of 0.062-inch-thick
(1.6 mm) steel, shall cover the area of the pipe where
the member is notched or bored, and shall extend a
minimum of 2 inches (51 mm) above sole plates and
below tope plates.
Where rock is encountered in trenching, the rock shall
be removed to a minimum of ____ inches below the
installation level of the bottom of the pipe.
2
3
4
5
35
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 306.2.2 page 19
306.2.2 Rock Removal. Where rock is encountered in
trenching, the rock shall be removed to a minimum of 3
inches (76 mm) below the installation level of the
bottom of the pipe, and the trench shall be backfilled to
the installation level of the bottom of the pipe with sand
tamped in place so as to provide uniform load-bearing
support for the pipe between joints.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 12 of 36
International Plumbing Code 2006 Study Guide
Rigid support sway bracing shall be porvided at
changes in direction greater than 45 degrees (0.79 rad)
for pipe sizes ___ inches (102 mm) and larger.
2
4
6
8
36
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 308.6 page 19
308.6 Sway bracing. Rigid support sway bracing shall be
porvided at changes in direction greater than 45 degrees
(0.79 rad) for pipe sizes 4 inches (102 mm) and larger.
Expansion joint fittings shall be used only where
necessary to provide for _________ of the pipes.
expansion
contraction
both A and B
neither
37
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 308.8 page 20
308.8 Expansion joint fittings. Expansion joint fittings
shall be used only where necessary to provide for
expansion and contraction of the pipes.
Water closet compartments _______ required in a
single-occupant toilet room with a lockable door.
shall be
shall not be
38
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 310.4 page 21
310.4 Water closet compartment. Exceptions. 1. Water
closet compartments shall not be required in a single-
occupant toilet room with a lockable door.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 13 of 36
International Plumbing Code 2006 Study Guide
An air test shall be made by forcing air into the system
until there is a uniform gauge pressure of ____ psi.
2
3
4
5
39
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 312.3 page 21
312.3 Drainage and vent air test. An air test shall be
made by forcing air into the system until there is a
uniform gauge pressure of 5 psi (34.5 kPa) or sufficient
to balance a 10-inch (254 mm) column of mercury.
Gravity sewer tests shall consist of plugging the end of
the building sewer at the point of connection with the
public sewer, filling the building sewer with water,
testing with not less than a 10-foot (3048 mm) head of
water and maintaining such pressure for _____
minutes.
5
10
15
20
40
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 312.6 page 22
312.6 Gravity sewer test. Gravity sewer tests shall
consist of plugging the end of the building sewer at the
point of connection with the public sewer, filling the
building sewer with water, testing with not less than a
10-foot (3048 mm) head of water and maintaining such
pressure for 15 minutes.
Water closets having a concealed trap seal or an
unventilated space or having walls that are not
thoroughly waashed at each discharge __________
prohibited.
shall be
shall not be
41
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 401.2 page 25
401.2 Prohibited fixtures and connections. Water closets
having a concealed trap seal or an unventilated space or
having walls that are not thoroughly waashed at each
discharge in accordance with ASME A112.19.2M shall
be prohibited.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 14 of 36
International Plumbing Code 2006 Study Guide
Sheet copper for general applications of fixture
materials shall conform to ASTM B 152 and shall not
weigh less than ____ ounces per square foot.
6
8
10
12
42
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 402.3 page 25
402.3 Sheet copper. Sheet copper for general
applications shall conform to ASTM B 152 and shall not
weigh less than 12 ounces per square foot (3.7 kg/m2).
In covered mall buildings, the required public and
employee toilet facilities shall be located not more
than one story above or below the space required to be
provided with toilet facilities, and the path of travel to
such facilities shall not exceed a distance of ____ feet.
100
200
300
400
43
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 403.4.2 page 28
403.4.2 Location of toilet facilities in covered malls. In
covered mall buildings, the required public and
employee toilet facilities shall be located not more than
one story above or below the space required to be
provided with toilet facilities, and the path of travel to
such facilities shall not exceed a distance of 300 feet
(91,440 mm).
Where pay facilities are installed, such facilities shall
be in excess of the required minimum facilities and
required facilities shall be free of charge.
True
False
44
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 403.4.3 page 28
403.4.3 Pay facilities. Where pay facilities are installed,
such facilities shall be in excess of the required
minimum facilities. Required facilities shall be free of
charge.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 15 of 36
International Plumbing Code 2006 Study Guide
The trap and fixture drain for an automatic clothes
washer standpipe shall be a minimum of ____ inches
in diameter.
2
3
4
5
45
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 406.3 page 29
406.3 Waste connection. The trap and fixture drain for
an automatic clothes washer standpipe shall be a
minimum of 2 inches (51 mm) in diameter.
Commercial food waste grinders shall be connected to
a drain a minimum of ____ inches (51 mm) in
diameter.
2
3
4
5
46
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 413.3 page 30
413.3 Commercial food waste grinder waste outlets.
Commercial food waste grinders shall be connected to a
drain a minimum of 2 inches (51 mm) in diameter.
Each compartment of a laundry tray shall be provided
with a waste outlet a minimum of _____ inches in
diameter and a strainer or crossbar to restrict the clear
opening of the waste outlet.
1.0
1.5
2.0
2.5
47
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 415.2 page 30
415.2 Waste outlet. Each compartment of a laundry tray
shall be provided with a waste outlet a minimum of 1.5
inches (38 mm) in diameter and a strainer or crossbar to
restrict the clear opening of the waste outlet.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 16 of 36
International Plumbing Code 2006 Study Guide
The shower compartment access and egress opening
shall have a minimum clear and unobstructed finished
width of _____ inches.
11
22
33
44
48
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 417.2 page 31
417.2 Access. The shower compartment access and
egress opening shall have a minimum clear and
unobstructed finished width of 22 inches (559 mm).
A 4-inch by 3-inch closet bend shall be acceptable for
water closet connections.
True
False
49
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 420.4 page 32
420.4 Water closet connections. A 4-inch by 3-inch (102
mm by 76 mm) closet bend shall be acceptable.
Fixtures designed for ________ shall be of smooth,
impervious, corrosion-resistant materials and, where
subjected to temperatures in excess of 180 degrees
Fahrenheit, shall be capable of withstanding, without
damage, higher temperatures.
therapy
special cleansing of waste materials
disposal of waste materials
any of the above
50
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 422.4 page 33
422.4 Materials Fixtures designed for therapy, special
cleansing or disposal of waste materials, combinations
of such purposes, or any other special purpose, shall be
of smooth, impervious, corrosion-resistant materials and,
where subjected to temperatures in excess of 180
degrees Fahrenheit, shall be capable of withstanding,
without damage, higher temperatures.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 17 of 36
International Plumbing Code 2006 Study Guide
The hot water supplied to bathtubs and whirlpool
bathtubs shall be limited to a maximum temperature of
________ degrees Fahrenheit by a water temperature
limiting device.
100
120
140
160
51
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 424.5 page 33
424.5 Bathtub and whirlpool bathtub valves. The hot
water supplied to bathtubs and whirlpool bathtubs shall
be limited to a maximum temperature of 120 degrees
Fahrenheit by a water temperature limiting device.
Flush tanks equipped for _______ flushing shall be
controlled by a device designed to refill the tank after
each discharge and to shut off completely the water
flow to the tank when the tank is filled to operational
capacity.
manual
automatic
both A and B
neither
52
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 425.3 page 34
425.3 Flush tanks. Flush tanks equipped for manual
flushing shall be controlled by a device designed to refill
the tank after each discharge and to shut off completely
the water flow to the tank when the tank is filled to
operational capacity.
Attics containing a water heater shall have continuous
solid flooring not less than ______ inches (610 mm)
wide.
18
24
36
48
53
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 502.3 page 35
502.3 Water heaters installed in attics. Attics containing
a water heater shall be provided with an opening and
unobstructed passageway large enough to allow removal
of the water heater. The passageway shall have
continuous solid flooring not less than 24 inches (610
mm) wide.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 18 of 36
International Plumbing Code 2006 Study Guide
______ fed water heaters shall have a vacuum relief
valve installed.
Top
Bottom
both A and B
neither
54
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 504.2 page 35
504.2 vacuum relief valve. Bottom fed water heaters and
bottom fed tanks connected to water heaters shall have a
vacuum relief valve installed.
Where pumps are installed in basements, such pumps
shall be mounted on a block or shelf not less than
_____ inches above the basement floor.
12
14
16
18
55
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 602.3.5.1 page 37
602.3.5.1 Pump enclosure. The pump room or enclosure
around a well pump shall be drained and protected from
freezing by heating or other approved means. Where
pumps are installed in basements, such pumps shall be
mounted on a block orshelf not less than 18 inches (457
mm) above the basement floor.
The minimum diameter of water service pipe shall be
_____ inch (19.1 mm).
1/4
1/2
3/4
1
56
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 603.1 page 37
603.1 Size of water service pipe. The water service pipe
shall be sized to supply water to the structure in the
quantities and at the pressures required in this code.
The minimum diameter of water service pipe shall be
3/4 inch (19.1 mm).
Copyrighted by Greenview Enterprises 1997 - 2010 Page 19 of 36
International Plumbing Code 2006 Study Guide
A fixture supply pipe shall not terminate more than
____ inches from the point of connection to the fixture.
10
20
30
40
57
A.
B.
C.
D.
CORRECT: C International Plumbing Code
Section 604.5 page 38
604.5 Size of fixture supply. The minimum size of a
fixture supply pipe shall be as shown in Table 604.5.
The fixture supply pipe shall not terminate more than 30
inches (762 mm) from the point of connection to the
fixture.
The water supply and distribution pressure-reducing
valve shall be designed to _______ in case of valve
failure.
remain open
open and close
58
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 604.8.1 page 39
604.8.1 Valve design. The pressure-reducing valve shall
be designed to remain open to permit uninterrupted
water flow in case of valve failure.
Pipe-joint compound or tape shall be applied on
__________ threads.
male
female
both A and B
neither
59
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 605.14.4 page 42
605.14.4 Threaded joints. Threads shall conform to
ASME B1.20.1. Pipe-joint compound or tape shall be
applied on the male threads only.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 20 of 36
International Plumbing Code 2006 Study Guide
Mechanical joints shall be made with an approved
___________ seal.
cement
polyethylene
elastomeric
all of the above
60
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 605.18.2 page 43
605.18.2 Mechanical joints. Joints shall be made with
an approved elastomeric seal.
Which of the following type of joint or connection
shall be prohibited?
cement joints
solvent-cement joints between different types
of plastic pipe
saddle-type fittings
all of the above
61
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 605.9 page 42
605.9 Prohibited joints and connections. The following
types of joints and connections shall be prohibited: 1.
Cement or concrete joints; 2. Joints made with fittings
not approved for the specific installation; 3. Solvent-
cement joints between different types of plastic pipe; 4.
Saddle-type fittings.
The overflow outlet for water supply tanks shall
discharge at a point not less than ____ inches (152
mm) above the roof or roof drain: floor or floor drain;
or over an open water-supplied fixture.
2
4
6
8
62
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 606.5.4 page 44
606.5.4 Overflows for water supply tanks. The overflow
outlet shall discharge at a point not less than 6 inches
(152 mm) above the roof or roof drain: floor or floor
drain; or over an open water-supplied fixture.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 21 of 36
International Plumbing Code 2006 Study Guide
All water pressure tanks shall be provided with a
vacuum relief valve at the top of the tank that will
operate up to a maximum water pressure of ____ psi
(1380 kPa).
100
150
200
250
63
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 606.5.9 page 45
606.5.9 Pressure tanks, vacuum relief. All water
pressure tanks shall be provided with a vacuum relief
valve at the top of the tank that will operate up to a
maximum water pressure of 200 psi (1380 kPa).
The minimum size of such vacuum relief valve shall
be ______ inch (12.7 mm), without exception.
0.25
0.50
0.75
none of the above
64
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 606.5.9 page 45
606.5.9 The minimum size of such vacuum relief valve
shall be 0.50 inch (12.7 mm).
Barometric loops shall precede the point of connection
and shall extend vertically to a height of _____ feet
(10668 mm).
5
15
25
35
65
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 608.13.4 page 48
608.13.4 Barometric loop. Barometric loops shall
precede the point of connection and shall extend
vertically to a height of 35 feet (10668 mm).
Copyrighted by Greenview Enterprises 1997 - 2010 Page 22 of 36
International Plumbing Code 2006 Study Guide
Private potable well supplies shall not be developed
from a water table less than ____ feet (3048 mm)
below the ground surface.
6
8
10
12
66
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 608.17.3 page 50
608.17.3 Depth. Private potable well supplies shall not
be developed from a water table less than 10 feet (3048
mm) below the ground surface.
Pipe identification for hazardous piping systems shall
be repeated at maximum intervals of _____ feet (7620
mm) and at each point where the piping passes
through a wall, floor or roof.
5
15
25
35
67
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 608.8.1 page 46
608.8.1 Information. Hazardous piping systems shall
also contain information addressing the nature of the
hazard. Pipe identification shall be repeated at
maximum intervals of 25 feet (7620 mm) and at each
point where the piping passes through a wall, floor or
roof.
Vacuum breakers shall be installed a minimum of ___
inches (152 mm) above the flood level rim of the
fixture or device in accordance with Section 608.
2
4
6
8
68
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 609.4 page 51
609.4 Vacuum breaker installation. Vacuum breakers
shall be installed a minimum of 6 inches (152 mm)
above the flood level rim of the fixture or device in
accordance with Section 608.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 23 of 36
International Plumbing Code 2006 Study Guide
A 4-inch by 3-inch (102 mm by 76 mm) water closet
connection ________ considered as a reduction in size.
shall be
shall not be
69
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 704.2 page 55
704.2 Change in size. The size of the drainage piping
shall not be reduced in size in the direction of the flow.
A 4-inch by 3-inch (102 mm by 76 mm) water closet
connection shall not be considered as a reduction in size.
Joints between polyethylene plastic pipe and fittings
shall be __________ and shall comply with Sectiion
705.16.1 or 705.16.2.
above-ground
underground
either
niether
70
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 705.16 page 57
705.16 Polyethylene plastic pipe. Joints between
polyethylene plastic pipe and fittings shall be
underground and shall comply with Sectiion 705.16.1 or
705.16.2.
O-ring joints for stainless steel drainage systems shall
not be made, even with an approved elastomeric seal.
True
False
71
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 705.22 page 58
705.22 Stainless steel drainage systems. O-ring joints
for stainless steel drainage systems shall be made with
an approved elastomeric seal.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 24 of 36
International Plumbing Code 2006 Study Guide
For caulked joints between cast-iron pipe or fittings,
molten lead shall be poured in one operation to a
depth of not less than _____ inch (25 mm).
1/4
1/2
3/4
1
72
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 705.5.1 page 56
705.5.1 Caulked joints. Molten lead shall be poured in
one operation to a depth of not less than 1 inch (25 mm).
All horizontal drains, within buildings, shall be
provided with cleanouts located not more than ______
feet (30 480 mm) apart.
25
50
75
100
73
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 708.3.1 page 59
708.3.1 Horizontal drains within buildings. All
horizontal drains shall be provided with cleanouts
located not more than 100 feet (30 480 mm) apart.
For building sewers 8 inches (203 mm) and larger,
manholes shall be provided and located not more than
______ feet (60 960 mm) from the junction of the
building drain and building sewer, at each change in
direction.
100
200
300
400
74
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 708.3.2 page 59
708.3.2 Building Sewers. For building sewers 8 inches
(203 mm) and larger, manholes shall be provided and
located not more than 200 feet (60 960 mm) from the
junction of the building drain and building sewer, at
each change in direction.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 25 of 36
International Plumbing Code 2006 Study Guide
Cleanouts shall be the same nominal size as the pipe
they serve up to _____ inches (102 mm).
2
4
6
8
75
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 708.7 page 60
708.7 Minimum size. Cleanouts shall be the same
nominal size as the pipe they serve up to 4 inches (102
mm).
Stacks shall be sized based on the total accumulated
connected load ___________.
at each story
at each branch interval
either A or B
neither
76
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 710.1(2) page 62
Table 710.1(2) b. Stacks shall be sized based on the
total accumulated connected load at each story or branch
interval.
The effluent level control shall be adjusted and
maintained to at all times prevent the effluent in the
sump from rising to within ___ inches (51 mm) of the
inver of the gravity drain inlet into the sump.
2
3
4
5
77
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 712.3.4 page 63
712.3.4 Maximum effluent level. The effluent level
control shall be adjusted and maintained to at all times
prevent the effluent in the sump from rising to within 2
inches (51 mm) of the inver of the gravity drain inlet
into the sump.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 26 of 36
International Plumbing Code 2006 Study Guide
The minimum size of a sterilizer vent serving a
bedpan steamer shall be _____ inches (38 mm) in
diameter.
1.25
1.50
1.75
2.0
78
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 713.11.1 page 65
713.11.1 Bedpan steamers. The minimum size of a
sterilizer vent serving a bedpan steamer shall be 1.50
inches (38 mm) in diameter.
The velocity of airflow in a central vacuum (fluid
suction) system shall be less than _______ feet per
second (25 m/s).
3,000
5,000
7,000
none of the above
79
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 713.7.2 page 64
713.7.2 Velocity. The velocity of airflow in a central
vacuum (fluid suction) system shall be less than 5,000
feet per minute (25 m/s).
Chapter 8 (Indirect/Special Waste) does not govern
which of the following?
food-handling establishments
swimming pools
neutralizing devices for corrosive wastes
none of the above
80
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 801.1 page 67
801.1 Scope Chapter 8 - Indirect/Special Waste, shall
govern matters concerning indirect waste piping and
special wastes. This chapter shall futher control matters
concerning food-handling establishments, sterilizers,
clear-water wastes, swimming pools, methods of
providing air breaks or air gaps, and neutralizing devices
for corrosive wastes.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 27 of 36
International Plumbing Code 2006 Study Guide
Standpipes shall extend a maximum of _____ inches
(1066 mm) above the trap weir.
22
32
42
52
81
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 802.4 page 68
802.4 Standpipes. Standpipes shall extend a minimum
of 18 inches (457 mm) and a maximum of 42 inches
(1066 mm) above the trap weir.
Where the vent stack connects to the building drain,
the connection shall be located downstream of the
drainage stack and within a distance of ______ times
the diameter of the drainage stack.
4
6
8
10
82
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 903.4 page 69
903.4 Vent connection at base. Where the vent stack
connects to the building drain, the connection shall be
located downstream of the drainage stack and within a
distance of 10 times the diameter of the drainage stack.
All vent and branch vent pipes shall be so graded and
connected as to drain back to the drainage pipe by
gravity.
True
False
83
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section 905.1 page 70
905.2. Grade. All vent and branch vent pipes shall be so
graded and connected as to drain back to the drainage
pipe by gravity.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 28 of 36
International Plumbing Code 2006 Study Guide
Every dry vent shall rise vertically to a minimum of
_____ inches (152 mm) above the flood level rim of
the highest trap or trapped fixture being vented.
2
4
6
8
84
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 905.4 page 70
905.4 Vertical rise of vent. Every dry vent shall rise
vertically to a minimum of 6 inches (152 mm) above the
flood level rim of the highest trap or trapped fixture
being vented.
The maximum slope of the vent section of the
horizontal branch drain shall be one unit vertical in 12
units horizontal (_____-percent slope).
2
4
6
8
85
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 911.3 page 71
911.3 Slope and size of horizontal branch. The
maximum slope of the vent section of the horizontal
branch drain shall be one unit vertical in 12 units
horizontal (8-percent slope).
The vent or branch vent for multiple island fixture
vents shall extend to a minimum of ____ inches (152
mm) above the highest island fixture being vented
before connecting to the outside vent terminal.
2
4
6
8
86
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section 913.2 page 72
913.2 Vent connection. The vent or branch vent for
multiple island fixture vents shall extend to a minimum
of 6 inches (152 mm) above the highest island fixture
being vented before connecting to the outside vent
terminal.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 29 of 36
International Plumbing Code 2006 Study Guide
Stack vent pipes shall not be less than _____ inches
(32 mm) in diameter.
1/4
1 1/4
2 1/4
none of the above
87
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 916.2 page 73
916.2 Vents other than stack vents or vent stacks. Vent
pipes shall not be less than 1 1/4 inches (32 mm) in
diameter.
Branch vents exceeding _____ feet (12 192 mm) in
developed length shall be increased by one nominal
size for the entire developed length of the vent pipe.
10
20
30
40
88
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section 916.4.1 page 74
916.4.1 Branch vents exceeding 40 feet in developed
length. Branch vents exceeding 40 feet (12 192 mm) in
developed length shall be increased by one nominal size
for the entire developed length of the vent pipe.
Individual and branch-type air admittance valves shall
be located a minimum of ____ inches (102 mm) above
the horizontal branch drain or fixture drain being
vented.
2
4
6
8
89
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Section 917.4 page 75
917.4 Location. Individual and branch-type air
admittance valves shall be located a minimum of 4
inches (102 mm) above the horizontal branch drain or
fixture drain being vented.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 30 of 36
International Plumbing Code 2006 Study Guide
Static pressure loss or gain (due to head) for a water
piping system is computed at 0.433 psi per foot (9.8
kPa/m) of elevation change.
True
False
90
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Section E103.2.2 page 117
E103.2.2 2. Static pressure loss or gain (due to head) is
computed at 0.433 psi per foot (9.8 kPa/m) of elevation
change.
Loss caused by pipe friction can be calculated when
which of the following are known?
the pipe size
the pipe length
the flow through the pipe
all of the above
91
A.
B.
C.
D.
CORRECT: d International Plumbing Code
Section E103.3 page 118
E103.3 3. Selection of pipe size. 3.7. Loss caused by
pipe friction can be calculated when the pipe size, the
pipe length and the flow through the pipe are known.
All hot water distribution pipe and tubing shall have a
minimum pressure rating of _____ psi (690 kPa) at
180 degrees Fahrenheit.
60
80
100
none of the above
92
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Section605.4 page 40
605.4 Water distribution pipe. Water distribution pipe
shall conform to NSF 61 and shall conform to one of the
standards listed in Table 605.4. All hot water
distribution pipe and tubing shall have a minimum
pressure rating of 100 psi (690 kPa) at 180 degrees
Fahrenheit.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 31 of 36
International Plumbing Code 2006 Study Guide
How many service sinks are required for an E
occupancy Educational facility?
1
2
3
4
93
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Table 403.1 page 26
Table 403.1 Minimum number of required plumbing
fixtures.
An R-2 Apartment house requires _____
bathtub(s)/shower(s) per dwelling unit.
1
2
3
4
94
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Table 403.1 page 27
Table 403.1 Minimum number of required plumbing
fixtures.
What is the minimum size fixture water supply pipe
for a bidet?
1/8
3/8
5/8
7/8
95
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Table 604.5 page 39
Table 604.5 Minimum sizes of fixture water supply
pipes.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 32 of 36
International Plumbing Code 2006 Study Guide
Which of the following is the standard for cast-iron
pipe fittings?
ASME B16.4
ASME B16.12
both A and B
neither
96
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Table 605.5 page 41
Table 605.5 Pipe fittings
The minimum air gap for an over-rim bath filler and
other fixtures with effective openings not greater than
1 inch in diameter and close to a wall shall be
_______ inches.
2
3
4
5
97
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Table 608.15.1 page 49
Table 608.15.1 Minimum required air gaps
Glass pipe for above-ground drainage and vent pipe
shall be required to follow which of the following
standards?
ASTM F 1488
ASTM B 251
ASTM C 1053
all of the above
98
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Table 702.1 page 53
Table 702.1 Above-ground drainage and vent pipe.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 33 of 36
International Plumbing Code 2006 Study Guide
According to Table 702.3 __________ pipe shall meet
standard ASTM C 428.
asbestos-cement
cast-iron
concrete
all of the above
99
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Table 702.3 page 54
Table 702.3 Building sewer pipe.
According to Table 709.1, the minimum size trap for a
floor drain is _______.
1 inch
2 inches
3 inches
4 inches
100
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Table 709.1 page 61
Table 709.1 Drainage fixture units for fixtures and
groups.
______ psi = 6.895 kPa
1
2
3
4
101
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Table E103.3(1) page 123
Table E103.3(1) Recommended tabular arrangement for
use in solving pipe sizing problems For SI: 1 inch = 25.4
mm, 1 foot = 304.8 mm, 1 psi = 6.895 kPa, 1 gpm =
3.785 L/m
Copyrighted by Greenview Enterprises 1997 - 2010 Page 34 of 36
International Plumbing Code 2006 Study Guide
What is the total load value, in water supply fixture
units (wsfu) for a private water closet flush tank?
2.2
2.4
2.6
2.8
102
A.
B.
C.
D.
CORRECT: a International Plumbing Code
Table E103.3(2) page 124
Table E103.3(2) Load values assigned to fixtures
According to Table E103.3(3), a supply system
predominantly for flush tanks with a water supply
fixture unit load of 12 will meet a demand of _____
gallons per minute.
14.6
15.4
16.0
16.5
103
A.
B.
C.
D.
CORRECT: c International Plumbing Code
Table E103.3(3) page 125
Table E103.3(3) Table for estimating demand
According to Table 103.3(4) the loss of pressure
through a 1 inch tap and tee at 80 gallons per minute
will be ______ pounds per square inch (psi).
8.79
11.50
14.50
17.94
104
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Table E103.3(4) page 126
Table 103.3(4) Loss of pressure through taps and tees in
pounds per square inch (psi)
Copyrighted by Greenview Enterprises 1997 - 2010 Page 35 of 36
International Plumbing Code 2006 Study Guide
The equivalent lengths presented in Table E103.3(6)
are based on a C factor of _____ in the Hazen-
Williams friction loss formula.
125
150
175
200
105
A.
B.
C.
D.
CORRECT: b International Plumbing Code
Table E103.3(6) page 127
Table E103.3(6) The equivalent lengths presented above
are based on a C factor of 150 in the Hazen-Williams
friction loss formula.
Copyrighted by Greenview Enterprises 1997 - 2010 Page 36 of 36