ARIZONA PLUMBING EXAM C-37 (SET 1)
1. Backflow due to siphonage occurs
Answer When negative pressure developes
2. 12 inches of water in a water column has what pressure on the bottom?
Answer .433 psi
3. What size pipe is used to feed a fire hydrant on private property?
Answer 6 inch
4. The last support hanger on a fire sprinkler branch on 1 inch nominal pipe size may
be no more than from the end.
Answer 36 inches
5. Strainer plates on drain inlets shall be designed and installed so that no
opening is greater than in the least dimension.
Answer 1/2 inch
6. What type of pipe joint connection is not permitted in gas line piping?
Answer compres- sion
1/
20
,7. What is the number of square inches of the sidewall area of a seepage pit that
measures 6 feet across and 14 feet deep?
Answer 37,981.44 square inches
8. 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.
Answer 4
9. The sidewalls of a septic tank shall extend no less than inches above the
liquid depth.
Answer 9
10. Which of the following valve type shall be installed at each building water
supply line?
Answer Full open gate
11. Which of the following is required of a clean out cap located in a walkway?-
Answer Shall have a countersunk plug
12. The last support hanger on a fire sprinkler branch of 1 1/4 inch nominal pipe size
2/
20
, may be no more than from the end.
Answer 48 inches
13. What minimum height can a LP gas furnace be installed in a public garage?
Answer 1 feet above the garage door.
14. What is the name for the inside bottom elevation of a sewer line or drain pipe?
Answer invert
15. Polybutylene pipe may be used in hot water piping of hydronic heating systems
water when the water in the pipe does not exceed
Answer 180 degrees at 100 psi
16. 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?
Answer $5,000.00
17. The distance between 2 pipes running in parallel is called the .
Answer Spread
3/
20
1. Backflow due to siphonage occurs
Answer When negative pressure developes
2. 12 inches of water in a water column has what pressure on the bottom?
Answer .433 psi
3. What size pipe is used to feed a fire hydrant on private property?
Answer 6 inch
4. The last support hanger on a fire sprinkler branch on 1 inch nominal pipe size may
be no more than from the end.
Answer 36 inches
5. Strainer plates on drain inlets shall be designed and installed so that no
opening is greater than in the least dimension.
Answer 1/2 inch
6. What type of pipe joint connection is not permitted in gas line piping?
Answer compres- sion
1/
20
,7. What is the number of square inches of the sidewall area of a seepage pit that
measures 6 feet across and 14 feet deep?
Answer 37,981.44 square inches
8. 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.
Answer 4
9. The sidewalls of a septic tank shall extend no less than inches above the
liquid depth.
Answer 9
10. Which of the following valve type shall be installed at each building water
supply line?
Answer Full open gate
11. Which of the following is required of a clean out cap located in a walkway?-
Answer Shall have a countersunk plug
12. The last support hanger on a fire sprinkler branch of 1 1/4 inch nominal pipe size
2/
20
, may be no more than from the end.
Answer 48 inches
13. What minimum height can a LP gas furnace be installed in a public garage?
Answer 1 feet above the garage door.
14. What is the name for the inside bottom elevation of a sewer line or drain pipe?
Answer invert
15. Polybutylene pipe may be used in hot water piping of hydronic heating systems
water when the water in the pipe does not exceed
Answer 180 degrees at 100 psi
16. 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?
Answer $5,000.00
17. The distance between 2 pipes running in parallel is called the .
Answer Spread
3/
20
