PLUMBING (IRC) ELECTRICAL ENGINEERING
QUESTIONS AND ACCURATE SOLUTIONS
RATED A.
The size of the stack vent must be ______ of the waste stack.
equal to the size
P3109.3
What is the drainage fixture unit value (d.f.u.) for a full-bath group with
bathtub (with 1.6 gallon per flush water closet, and with or without shower
head and/or whirlpool attachment on the bathtub or shower stall).
5
Table P3004.1
Access to water heaters that are located in an attic or under floor crawl
space is not permitted to be through a closet located in a ______ or bathroom
where ventilation of those spaces is in accordance with the code.
1. sleeping room; or
2. kitchen; or
3. garage
M2005.2.1
Cleanouts must be installed not more than _____ feet apart in horizontal
drainage lines.
,100
P3005.2.1
The minimum size in inches of a combination waste and vent pipe
connecting to a building drain or building sub drain and serving 26 d.f.u. is
_____.
2.5
Table P3111.3
Slip joints must be made with an approved _____ and must only be installed
on the trap outlet, trap inlet and within the trap seal.
elastomeric gasket
P2704.1
With respect to whirlpool bathtub pumps, where the manufacturer's
instructions do not specify the location and minimum size of field fabricated
access openings, a 12-inch by 12-inch (304 mm by 304 mm) minimum size
opening must be installed to provide access to the circulation pump.
of sufficient size
P2720.1
Cleanouts for 6-inch and smaller piping must be provided with a clearance
of not less than _____ from, and perpendicular to, the face of the opening to
any obstruction.
18 inches
P3005.2.9
,Approved ______ must be installed in fixture tailpieces receiving the
discharge from food waste disposal units or dishwashers.
directional type branch fittings
P2707.1
The vent system serving each building drain must have at least on vent pipe
that ______.
extends to the outdoors
P3102.1
The minimum air gap distance in inches for fixtures with effective openings
greater than 1 inch that are close to a wall is:
three times the diameter of the effective opening
Table P2902.3.1
A vent must not be installed within ______ pipe diameters of the trap weir.
two
P3105.3
Traps must have a liquid seal not less than _____ inches and not more than
______ inches.
2, 4
P3201.2
No portion of the above grade DWV system other than ______ must be
located outside of a building, in attics or crawl spaces, concealed in outside
, walls, or in any other place subjected to freezing temperatures unless
adequate provision is made to protect them from freezing by insulation or
heat or both. Exceptions ignored.
vent terminals
P3001.2
Building drains which cannot be discharge to the sewer by gravity flow must
be discharged ______ from which the contents must be lifted and discharged
into the building gravity drainage system by automatic pumping equipment.
into a tightly covered and vented sump
P3007.1
Gauges used for testing requiring a pressure of greater than 100 psi must
utilize a testing gauge having increments of ______ psi or less.
2
P2503.9
If using a pressure-relief valve to protect a water heater in must be set to
open at least ______ psi above the system pressure but not over _____ psi and
not over the tanks rated working pressure.
25, 150
P2804.3
Which of the following locations is not suitable under the code for a check
or shutoff valve to be installed?
1. Between a relief valve and the termination point of the relieve valve
discharge pipe; and
QUESTIONS AND ACCURATE SOLUTIONS
RATED A.
The size of the stack vent must be ______ of the waste stack.
equal to the size
P3109.3
What is the drainage fixture unit value (d.f.u.) for a full-bath group with
bathtub (with 1.6 gallon per flush water closet, and with or without shower
head and/or whirlpool attachment on the bathtub or shower stall).
5
Table P3004.1
Access to water heaters that are located in an attic or under floor crawl
space is not permitted to be through a closet located in a ______ or bathroom
where ventilation of those spaces is in accordance with the code.
1. sleeping room; or
2. kitchen; or
3. garage
M2005.2.1
Cleanouts must be installed not more than _____ feet apart in horizontal
drainage lines.
,100
P3005.2.1
The minimum size in inches of a combination waste and vent pipe
connecting to a building drain or building sub drain and serving 26 d.f.u. is
_____.
2.5
Table P3111.3
Slip joints must be made with an approved _____ and must only be installed
on the trap outlet, trap inlet and within the trap seal.
elastomeric gasket
P2704.1
With respect to whirlpool bathtub pumps, where the manufacturer's
instructions do not specify the location and minimum size of field fabricated
access openings, a 12-inch by 12-inch (304 mm by 304 mm) minimum size
opening must be installed to provide access to the circulation pump.
of sufficient size
P2720.1
Cleanouts for 6-inch and smaller piping must be provided with a clearance
of not less than _____ from, and perpendicular to, the face of the opening to
any obstruction.
18 inches
P3005.2.9
,Approved ______ must be installed in fixture tailpieces receiving the
discharge from food waste disposal units or dishwashers.
directional type branch fittings
P2707.1
The vent system serving each building drain must have at least on vent pipe
that ______.
extends to the outdoors
P3102.1
The minimum air gap distance in inches for fixtures with effective openings
greater than 1 inch that are close to a wall is:
three times the diameter of the effective opening
Table P2902.3.1
A vent must not be installed within ______ pipe diameters of the trap weir.
two
P3105.3
Traps must have a liquid seal not less than _____ inches and not more than
______ inches.
2, 4
P3201.2
No portion of the above grade DWV system other than ______ must be
located outside of a building, in attics or crawl spaces, concealed in outside
, walls, or in any other place subjected to freezing temperatures unless
adequate provision is made to protect them from freezing by insulation or
heat or both. Exceptions ignored.
vent terminals
P3001.2
Building drains which cannot be discharge to the sewer by gravity flow must
be discharged ______ from which the contents must be lifted and discharged
into the building gravity drainage system by automatic pumping equipment.
into a tightly covered and vented sump
P3007.1
Gauges used for testing requiring a pressure of greater than 100 psi must
utilize a testing gauge having increments of ______ psi or less.
2
P2503.9
If using a pressure-relief valve to protect a water heater in must be set to
open at least ______ psi above the system pressure but not over _____ psi and
not over the tanks rated working pressure.
25, 150
P2804.3
Which of the following locations is not suitable under the code for a check
or shutoff valve to be installed?
1. Between a relief valve and the termination point of the relieve valve
discharge pipe; and
