Arizona Plumbing Exam C-37 (set 1) Questions and Answers Fully Solved
Backflow due to siphonage occurs: - Answers When negative pressure developes
12 inches of water in a water column has what pressure on the bottom? - Answers .433 psi
What size pipe is used to feed a fire hydrant on private property? - Answers 6 inch
The last support hanger on a fire sprinkler branch on 1 inch nominal pipe size may be no more than
_____ from the end. - Answers 36 inches
Strainer plates on drain inlets shall be designed and installed so that no opening is greater than ___ in
the least dimension. - Answers 1/2 inch
What type of pipe joint connection is not permitted in gas line piping? - Answers compression
What is the number of square inches of the sidewall area of a seepage pit that measures 6 feet across
and 14 feet deep? - Answers 37,981.44 square inches
According to OSHA, ladders (or steps) are required in all trenches or ditches at _____ feet or more in
depth for an adequate means of exit. - Answers 4
The sidewalls of a septic tank shall extend no less than ______ inches above the liquid depth. - Answers
9
Which of the following valve type shall be installed at each building water supply line? - Answers Full
open gate
Which of the following is required of a clean out cap located in a walkway? - Answers Shall have a
countersunk plug
The last support hanger on a fire sprinkler branch of 1 1/4 inch nominal pipe size may be no more than
_____ from the end. - Answers 48 inches
What minimum height can a LP gas furnace be installed in a public garage? - Answers 1 feet above the
garage door.
What is the name for the inside bottom elevation of a sewer line or drain pipe? - Answers invert
Polybutylene pipe may be used in hot water piping of hydronic heating systems water when the water in
the pipe does not exceed: - Answers 180 degrees at 100 psi
The failure of a contractor to notify Blue Stake prior to excavation may liable him responsible for
damages and subject to how much of a fine? - Answers $5,000.00
The distance between 2 pipes running in parallel is called the ______. - Answers Spread
, The Corporation Commission has assigned color codes to identify the location of underground facilities.
What color identifies gas distribution and transmission? - Answers high visibility safety yellow
Which of the following is not allowed in building interior plumbing (water distribution)? - Answers PVC
What is the minimum size drain pipe for a water heater pan? - Answers 3/4 inch
A 3 inch diameter pipe that is 20 feet long will contain how many cubic inches of water? - Answers
1,695.6 cubic inches
Copper water piping, 1-1/4 inch and smaller, must be supported every______
feet horizontally. - Answers 6
A basement has a sump pit that receives drainage that cannot be discharged by gravity into the sewer.
The sump pump she'll be equipped with which of the following? - Answers Check valve and full open
valve
What is the required test time for a low pressure gas line that has a volume of 1500 cubic feet? -
Answers 1 1/2 hour
Which one of the following materials is not approved for use in an interior water distribution system? -
Answers PVC pipe (ASTM D1789)
When connecting dissimilar metals a ______ fitting should be used. - Answers Dielectric
According to OSHA, employee shall be protected from cave-ins by an adequate protective systems in
excavations that equal or exceed a depth of: - Answers 5 feet
Which of the following locations do not require fire sprinklers? - Answers 3 ft x 8 ft linen closet.
The inside diameter of a pipe is 2 inches, it is 14 feet, what is the volume of the pipe? - Answers .30
cubic feet
All of the following materials are approved for the construction of septic tanks EXCEPT: - Answers
pressure treated redwood
Fire department connections on the outside of a building should consist of _______. - Answers two 2 1/2
inch connections
The ambient ceiling temperature of a sprinkler with green markings on
each side should not exceed what temperature? - Answers 375 degrees
Piping hydronic piping system in which the temperature exceeds ______ shall have a clearance of 1 inch
to the combustible materials. - Answers 250 degrees
Backflow due to siphonage occurs: - Answers When negative pressure developes
12 inches of water in a water column has what pressure on the bottom? - Answers .433 psi
What size pipe is used to feed a fire hydrant on private property? - Answers 6 inch
The last support hanger on a fire sprinkler branch on 1 inch nominal pipe size may be no more than
_____ from the end. - Answers 36 inches
Strainer plates on drain inlets shall be designed and installed so that no opening is greater than ___ in
the least dimension. - Answers 1/2 inch
What type of pipe joint connection is not permitted in gas line piping? - Answers compression
What is the number of square inches of the sidewall area of a seepage pit that measures 6 feet across
and 14 feet deep? - Answers 37,981.44 square inches
According to OSHA, ladders (or steps) are required in all trenches or ditches at _____ feet or more in
depth for an adequate means of exit. - Answers 4
The sidewalls of a septic tank shall extend no less than ______ inches above the liquid depth. - Answers
9
Which of the following valve type shall be installed at each building water supply line? - Answers Full
open gate
Which of the following is required of a clean out cap located in a walkway? - Answers Shall have a
countersunk plug
The last support hanger on a fire sprinkler branch of 1 1/4 inch nominal pipe size may be no more than
_____ from the end. - Answers 48 inches
What minimum height can a LP gas furnace be installed in a public garage? - Answers 1 feet above the
garage door.
What is the name for the inside bottom elevation of a sewer line or drain pipe? - Answers invert
Polybutylene pipe may be used in hot water piping of hydronic heating systems water when the water in
the pipe does not exceed: - Answers 180 degrees at 100 psi
The failure of a contractor to notify Blue Stake prior to excavation may liable him responsible for
damages and subject to how much of a fine? - Answers $5,000.00
The distance between 2 pipes running in parallel is called the ______. - Answers Spread
, The Corporation Commission has assigned color codes to identify the location of underground facilities.
What color identifies gas distribution and transmission? - Answers high visibility safety yellow
Which of the following is not allowed in building interior plumbing (water distribution)? - Answers PVC
What is the minimum size drain pipe for a water heater pan? - Answers 3/4 inch
A 3 inch diameter pipe that is 20 feet long will contain how many cubic inches of water? - Answers
1,695.6 cubic inches
Copper water piping, 1-1/4 inch and smaller, must be supported every______
feet horizontally. - Answers 6
A basement has a sump pit that receives drainage that cannot be discharged by gravity into the sewer.
The sump pump she'll be equipped with which of the following? - Answers Check valve and full open
valve
What is the required test time for a low pressure gas line that has a volume of 1500 cubic feet? -
Answers 1 1/2 hour
Which one of the following materials is not approved for use in an interior water distribution system? -
Answers PVC pipe (ASTM D1789)
When connecting dissimilar metals a ______ fitting should be used. - Answers Dielectric
According to OSHA, employee shall be protected from cave-ins by an adequate protective systems in
excavations that equal or exceed a depth of: - Answers 5 feet
Which of the following locations do not require fire sprinklers? - Answers 3 ft x 8 ft linen closet.
The inside diameter of a pipe is 2 inches, it is 14 feet, what is the volume of the pipe? - Answers .30
cubic feet
All of the following materials are approved for the construction of septic tanks EXCEPT: - Answers
pressure treated redwood
Fire department connections on the outside of a building should consist of _______. - Answers two 2 1/2
inch connections
The ambient ceiling temperature of a sprinkler with green markings on
each side should not exceed what temperature? - Answers 375 degrees
Piping hydronic piping system in which the temperature exceeds ______ shall have a clearance of 1 inch
to the combustible materials. - Answers 250 degrees
