ASPE CPD Test Exam Questions & Answers |
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ASPE CPD Study Questions AH
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Terms in this set (358)
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What is the specific weight 62.4 lbs per cubic foot
of water?
What happens in a storm A smoke pressure test is recommended with a smoke
and sanitary system after it pressure of 1 in wc to prove the system gas tight.
passes the water test?
Is an air test acceptable Yes, if a water test is not possible, at a pressure of 5
for a storm and sanitary psi, are tests are impractical and costly
system?
A water test upon completion of the rough piping and
prior to concealment of 10 ft wc minimum (except the
topmost 10 feet of pipe), not to exceed 100 ft wc. If
system is higher than 100 feet, test plugs must be
What are the testing
installed to facilitate testing, rarely are more than 7
procedures for the storm
stories tested at one time. A peppermint oil test may
and sanitary system?
also be done with 2 oz of peppermint oil and 10 qt
boiling water, and searching for peppermint smell at
leaks, however it is difficult to pinpoint the leak by this
method
, The maximum length from To prevent a dead end where slime, sludge and fungi
the vent connection to any can grow, 2 feet, unless the piping must be extended
future drain outlet is to an accessible location for a cleanout
required by code, why,
how long is the distance
(listed in the book), and
what’s the exception?
A sanitary tee may be A double sanitary tee because the possibility of flow
used in the vertical but crossover and excessive pressures when one branch
what may not be used in is discharging and the other isn’t are possible
the vertical and why?
What are the slopes of 1/4 in per foot for 3 in and smaller 1/8 in per foot for
pipe inside the building larger pipe all elbows, taps, tees etc are tapped at a
that correspond to 2 fps pitch of 1/4” per foot
velocity?
1) Inside or outside the building at the point of exit
(use a wye branch) 2) at every change in direction
greater than 45 degrees 3) every 50 feet for piping
Where should cleanouts 4” and less, and 100 ft for larger piping 4)
be provided? underground piping larger than 10 in should be
provided with manholes at every change in direction
and every 150 feet 5) at the base of all stacks 6) as
required by code
Piping up to 4 inches, the cleanout is the same size as
What size cleanouts are
the pipe. Piping greater than 4 inches, 4 inch
provided in piping?
cleanouts are adequate.
What should be installed A backwater valve or a combination BWV with
in the house drain if there manually operated gate valve. The BWV does not
is a danger of backflow of interfere with the airflow throughout the system, and
sewage into the building? the gate valve is recommended where there is a
Whats the difference? history of backflow as a positive means of protection.
Latest Already Graded A+ UPDATE 2025|2026 !!
ASPE CPD Study Questions AH
Save
Terms in this set (358)
Front Back
What is the specific weight 62.4 lbs per cubic foot
of water?
What happens in a storm A smoke pressure test is recommended with a smoke
and sanitary system after it pressure of 1 in wc to prove the system gas tight.
passes the water test?
Is an air test acceptable Yes, if a water test is not possible, at a pressure of 5
for a storm and sanitary psi, are tests are impractical and costly
system?
A water test upon completion of the rough piping and
prior to concealment of 10 ft wc minimum (except the
topmost 10 feet of pipe), not to exceed 100 ft wc. If
system is higher than 100 feet, test plugs must be
What are the testing
installed to facilitate testing, rarely are more than 7
procedures for the storm
stories tested at one time. A peppermint oil test may
and sanitary system?
also be done with 2 oz of peppermint oil and 10 qt
boiling water, and searching for peppermint smell at
leaks, however it is difficult to pinpoint the leak by this
method
, The maximum length from To prevent a dead end where slime, sludge and fungi
the vent connection to any can grow, 2 feet, unless the piping must be extended
future drain outlet is to an accessible location for a cleanout
required by code, why,
how long is the distance
(listed in the book), and
what’s the exception?
A sanitary tee may be A double sanitary tee because the possibility of flow
used in the vertical but crossover and excessive pressures when one branch
what may not be used in is discharging and the other isn’t are possible
the vertical and why?
What are the slopes of 1/4 in per foot for 3 in and smaller 1/8 in per foot for
pipe inside the building larger pipe all elbows, taps, tees etc are tapped at a
that correspond to 2 fps pitch of 1/4” per foot
velocity?
1) Inside or outside the building at the point of exit
(use a wye branch) 2) at every change in direction
greater than 45 degrees 3) every 50 feet for piping
Where should cleanouts 4” and less, and 100 ft for larger piping 4)
be provided? underground piping larger than 10 in should be
provided with manholes at every change in direction
and every 150 feet 5) at the base of all stacks 6) as
required by code
Piping up to 4 inches, the cleanout is the same size as
What size cleanouts are
the pipe. Piping greater than 4 inches, 4 inch
provided in piping?
cleanouts are adequate.
What should be installed A backwater valve or a combination BWV with
in the house drain if there manually operated gate valve. The BWV does not
is a danger of backflow of interfere with the airflow throughout the system, and
sewage into the building? the gate valve is recommended where there is a
Whats the difference? history of backflow as a positive means of protection.
