TSPBE Plumbing Inspector Practice Set Questions
with Correct Answers & Explanations | Graded A+
Study Guide download instant pdf.
A floor sink, standpipe, hub drain or floor drain that receives the discharge of one or more indirect
waste pipes. - answer : ;Waste Receptor
A device utilized to absorb the pressure surge (water hammer) that occurs when
water flow is suddenly stopped in a water supply system. - answer : ;Water-Hammer Arrestor
A water supply pipe or system of 'pipes,
installed and maintained by a city, township, county. public
utility company or other public entity, on public property, in
the street or in an approved dedicated easement of public or
community use. - answer : ;Water Main
A water supply pipe that extends one full story or
more to convey water to branches or to a group of fixtures. - answer : ;Water Pipe (Riser)
A pipe within the structure or on the premises that conveys water from the water service pipe, or from
the meter when the meter is at the structure, to the points of utilization. - answer : ;Water Pipe (Water
Distribution Pipe)
The pipe from the water main or
other source of potable water supply, or from the meter
,when the meter is at the public right of way, to the water
distribution system of the building served - answer : ;Water Pipe (Water Service Pipe)
The water service pipe, water distribution pipes, and the necessary connecting pipes, fittings, control
valves and all appurtenances in or adjacent to the structure or premises. - answer : ;Water Supply
System
A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing
pressure changes in the stacks - answer : ;Yoke Vent
Within 18" of each end - answer : ;Maximum Horizontal Hanger Spacing for Cast Iron
32 inches - answer : ;Maximum Horizontal Hanger Spacing for PEX
4 feet - answer : ;Maximum Horizontal Hanger Spacing for PVC
3 feet - answer : ;Maximum Horizontal Hanger Spacing for CPVC 1" and Smaller
4 feet - answer : ;Maximum Horizontal Hanger Spacing for CPVC 1 1/4" or larger
15 feet - answer : ;Maximum Vertical Hanger Spacing for Cast Iron
an air test of not less than 50psi for not less than 15 minutes - answer : ;Minimum Water Supply System
Test
10-foot head of water on the highest opening in the plumbing system for a minimum of 15 minutes -
answer : ;Drainage Test
Minimum of one-eighth unit vertical in 12 units horizontal (1-percent slope) Condensate disposal shall
be not less than 3/4-inch internal diameter and cannot decrease in size to the point of disposal - answer
: ;Condensate Disposal
,Trenches installed parallel to footings shall not extend below the ___________ bearing plane of the
footing or wall. - answer : ;45 degree
Loose earth free from rocks, broken concrete and frozen chunks shall be placed in the trench in
_________ layers and tampered in place until the crown of the pipe is covered by _________ of
tampered earth. - answer : ;6 inch, 12 inches
The maximum opening size for strainer plates for floor and shower drains as well as receptor strainers
(for rodent proofing) - answer : ;1/2 inch
Tests requiring a pressure greater than 10 psi but less than or equal to 100 psi shall utilize a testing
gauge having increments of _______ or less. - answer : ;1 psi
Tests requiring a pressure less than 10 psi shall utilize a testing gauge having increments of _______ or
less. - answer : ;0.10 psi or less
Tests requiring a pressure greater than 100 psi shall utilize a testing gauge having increments of _______
or less. - answer : ;2 psi
The minimum opening size for strainer plates for floor and shower drains as well as receptor strainers
(for rodent proofing) - answer : ;1/4 inch
The hangers and supports for plumbing system piping must be capable of supporting the _________ by
the piping system and not be detrimental to the pipe they support. - answer : ;load
Water testing a DWV system requiring a minimum of _____ foot of head pressure. - answer : ;10
All fire-resistance rated through-penetration assemblies must be qualified by testing in accordance to
ASTM __________. - answer : ;E 814
A flame spread index of ______ or less and a smoke-developed index of _____ or less are viewed as
acceptable values for combustibles in a plenum. - answer : ;25, 50
, On a shower liner test, the minimum water level shall be no less than ___ inches. - answer : ;2
The maximum horizontal distance for supporting PVC piping is _____ feet. - answer : ;4
A storm drain system is normally ______________ entering a sanitary sewer. - answer : ;prohibited from
Where piping is sleeved through a foundation, the minimum annular space of the sleeve shall be
_______________. - answer : ;2 pipe sizes larger
Where floor drains are located in areas maintained at a temperature below _______________, the floor
drain must not be trapped and must be indirectly connected. - answer : ;32 degrees
Horizontal pipe hangers shall have maximum distance of _____ inches for PEX piping. - answer : ;32
Shield plates for protection shall have a thickness of not less than _____ gauge. - answer : ;16
Screws or bolts for securing floor mounted fixtures may be: - answer : ;brass (corrosion-resistant)
Fixtures having concealed slip-joint connections shall be provided with: - answer : ;a utility space or
access panel (min. 12x12)
The diameter of a waste and overflow for a bathtub shall not be less than: - answer : ;1 1/2 inches
Every water supply to a urinal shall be protected by an approved: - answer : ;vacuum breaker
To provide a watertight joint in the floor, shower drains and floor drains are required to be: - answer :
;suitably flanged
with Correct Answers & Explanations | Graded A+
Study Guide download instant pdf.
A floor sink, standpipe, hub drain or floor drain that receives the discharge of one or more indirect
waste pipes. - answer : ;Waste Receptor
A device utilized to absorb the pressure surge (water hammer) that occurs when
water flow is suddenly stopped in a water supply system. - answer : ;Water-Hammer Arrestor
A water supply pipe or system of 'pipes,
installed and maintained by a city, township, county. public
utility company or other public entity, on public property, in
the street or in an approved dedicated easement of public or
community use. - answer : ;Water Main
A water supply pipe that extends one full story or
more to convey water to branches or to a group of fixtures. - answer : ;Water Pipe (Riser)
A pipe within the structure or on the premises that conveys water from the water service pipe, or from
the meter when the meter is at the structure, to the points of utilization. - answer : ;Water Pipe (Water
Distribution Pipe)
The pipe from the water main or
other source of potable water supply, or from the meter
,when the meter is at the public right of way, to the water
distribution system of the building served - answer : ;Water Pipe (Water Service Pipe)
The water service pipe, water distribution pipes, and the necessary connecting pipes, fittings, control
valves and all appurtenances in or adjacent to the structure or premises. - answer : ;Water Supply
System
A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing
pressure changes in the stacks - answer : ;Yoke Vent
Within 18" of each end - answer : ;Maximum Horizontal Hanger Spacing for Cast Iron
32 inches - answer : ;Maximum Horizontal Hanger Spacing for PEX
4 feet - answer : ;Maximum Horizontal Hanger Spacing for PVC
3 feet - answer : ;Maximum Horizontal Hanger Spacing for CPVC 1" and Smaller
4 feet - answer : ;Maximum Horizontal Hanger Spacing for CPVC 1 1/4" or larger
15 feet - answer : ;Maximum Vertical Hanger Spacing for Cast Iron
an air test of not less than 50psi for not less than 15 minutes - answer : ;Minimum Water Supply System
Test
10-foot head of water on the highest opening in the plumbing system for a minimum of 15 minutes -
answer : ;Drainage Test
Minimum of one-eighth unit vertical in 12 units horizontal (1-percent slope) Condensate disposal shall
be not less than 3/4-inch internal diameter and cannot decrease in size to the point of disposal - answer
: ;Condensate Disposal
,Trenches installed parallel to footings shall not extend below the ___________ bearing plane of the
footing or wall. - answer : ;45 degree
Loose earth free from rocks, broken concrete and frozen chunks shall be placed in the trench in
_________ layers and tampered in place until the crown of the pipe is covered by _________ of
tampered earth. - answer : ;6 inch, 12 inches
The maximum opening size for strainer plates for floor and shower drains as well as receptor strainers
(for rodent proofing) - answer : ;1/2 inch
Tests requiring a pressure greater than 10 psi but less than or equal to 100 psi shall utilize a testing
gauge having increments of _______ or less. - answer : ;1 psi
Tests requiring a pressure less than 10 psi shall utilize a testing gauge having increments of _______ or
less. - answer : ;0.10 psi or less
Tests requiring a pressure greater than 100 psi shall utilize a testing gauge having increments of _______
or less. - answer : ;2 psi
The minimum opening size for strainer plates for floor and shower drains as well as receptor strainers
(for rodent proofing) - answer : ;1/4 inch
The hangers and supports for plumbing system piping must be capable of supporting the _________ by
the piping system and not be detrimental to the pipe they support. - answer : ;load
Water testing a DWV system requiring a minimum of _____ foot of head pressure. - answer : ;10
All fire-resistance rated through-penetration assemblies must be qualified by testing in accordance to
ASTM __________. - answer : ;E 814
A flame spread index of ______ or less and a smoke-developed index of _____ or less are viewed as
acceptable values for combustibles in a plenum. - answer : ;25, 50
, On a shower liner test, the minimum water level shall be no less than ___ inches. - answer : ;2
The maximum horizontal distance for supporting PVC piping is _____ feet. - answer : ;4
A storm drain system is normally ______________ entering a sanitary sewer. - answer : ;prohibited from
Where piping is sleeved through a foundation, the minimum annular space of the sleeve shall be
_______________. - answer : ;2 pipe sizes larger
Where floor drains are located in areas maintained at a temperature below _______________, the floor
drain must not be trapped and must be indirectly connected. - answer : ;32 degrees
Horizontal pipe hangers shall have maximum distance of _____ inches for PEX piping. - answer : ;32
Shield plates for protection shall have a thickness of not less than _____ gauge. - answer : ;16
Screws or bolts for securing floor mounted fixtures may be: - answer : ;brass (corrosion-resistant)
Fixtures having concealed slip-joint connections shall be provided with: - answer : ;a utility space or
access panel (min. 12x12)
The diameter of a waste and overflow for a bathtub shall not be less than: - answer : ;1 1/2 inches
Every water supply to a urinal shall be protected by an approved: - answer : ;vacuum breaker
To provide a watertight joint in the floor, shower drains and floor drains are required to be: - answer :
;suitably flanged
