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PLUMBERS LICENSING PRACTICE EXAM. This test is based on the International plumbing Code, the International Fuel Gas Code and NASCLA's 'Guide to contractor Business and Project Management'
1.
802.3 ipc
1. An indirect waste pipe that exceeds _____ inches total developed horizontal length must be trapped.
a) a. 24
b) b. 30
c) c. 18
d) d. 48
2.
1002.4 ipc
2. A trap shall have a liquid seal of not less the_____ inches.
a) a. 2
b) b. 2.5
c) c. 3
d) d. 4
3.
Chapter 9 User Note and sec 901.2
3. The purpose of a vent is _______.
a) a. to protect the trap seal
b) b. to low the drain to drain
c) c. prevent the drain from gurgling
d) d. provide an extra route for rodding
4.
304.6.1 IFGC
4.When obtaining outdoor combustion ait through horizontal ducts, eacg openig must be one square inche per ______ total btuh of all appliances
a) a. 1000
b) b. 2000
c) c. 2500
d) d. 3000
5.
Table 712.4.2 IPC
The discharge piping form a 25 GPM sewage pump or ejector shall be a minimum of ______ inches diametr
a) a. 1.5
b) b. 2
c) c. 2.5
d) d. 3
6.
305.3 IFGC
6. Water heaters (except those resistant to flammable vapor ignition) having an ignition source shall be elevated such that the source of ignition is not less than ____ inches off a garage floor.
a) a. 12
b) b. 18
c) c. 20
d) d. 24
7.
421.5.5 IPC
7. Shower linings shall turn up on all sides at least ____ inches above the finished threshold.
a) a. 1
b) b. 1.5
c) c. 2
d) d. 2.25
8.
302.3.2 IFGC Note the difference in hole location for studs vs joists
8. Holes bored in joists shall not be within ___inches of the top or bottom of the joist.
a) a. 1/2
b) b. 3/4
c) c. 1
d) d. 2
9.
use apendix Table 402.4 (8), Intersection of 50 ft.and 88 (88 x 1000 =80,000 btuh), at top of chart see 7/8'" on ACR row.
9. A 65,000 BTUH natural gas water heater is located 45 feet away from the gas meter. What is the minimum sized copper tubing (ACR) gas line required to serve the water heater? (pressure- less than 2 psi, pressure prop- .5"wc, specific gravity .60)
a) a.1/2"
b) b.5/8"
c) c. 3/4 '
d) d .7/8"
10.
608,16.4 IPC
10. The critical level of a vacuum breaker shall be set a minimum of __ inches above the flood level rim of the device.
a) a. 2
b) b. 4
c) c. 6
d) d. 8
11.
405.9 IPC
11. Fixtures with concealed slip joint connections shall be provide with an access panel or utility space at least _____ inches in its smallest dimension or other approved arrangement for inspection or repair.
a) a. 12
b) b. 16
c) c. 18
d) d. 20
12.
918.3.2 IPC Note the section says"more than six intervals", Alll the vents except the 7 interval are 6 intervals or less
12. Stack type admittance valve may not be used to terminate a______.
a) a. stack vent serving four branch intervals
b) b. stack vent serving 5 branch intervalsl vent
c) c. stack vent seving seven branch intervals
d) d. stack vent serving six branch intervals
13.
See definition of contamination Sec 202 IPC
13. When the quality of potable water is impaired so as to create an actual hazard to the public health, through poisoning or through the spread of disease by sewage, industrial fluids or waste, it is considered _________?
a) a. Contaminated
b) b. Polluted
c) c. Potable
d) d. Medium hazard
14.
See Table 604.3
14. According to Table 604.3 the required water pressure for a temperature controlled shower is ___ psi.
a) a. 25
b) b. 8
c) c. 15
d) d. 20
15.
416.1 IPC
15. Commercial food grinders shall conform to _____.
a) a. UL 430
b) b. ASSE 1008
c) c. ASTM 502
d) d. ASTM 502-A
16.
16. The minimum diameter of a 1/8" sloped building drain handling 75 dfu’s is_____ inches.
a) a. 3
b) b. 4
c) c. 5
d) d. 6
17.
303.3 IPC
17. All plastic pipe and fittings shall be third party certified as conforming to ___?
a) a. ASME-56
b) b. ASTM 888-05
c) c. ASSE 1002-90
d) d. ANS/NSF 14
18.
708.1.5 EXCEPTION 1 IPC
18. A 1-1/2 inch "P" trap with slip joints may be used as a cleanout for a maximum ____ inch drain pipe.
a) c. 1-14
b) b. 1-1/2
c) c. 2" 708.1.5 exception 1
d) d. 2-1/2
19.
712.4.2 IPC
19. Pumps or ejectors, except grinder or macerating types, that receive the discharge of water closets shall be capable of handling solids with a diameter of up to and including ____ inches.
a) a. 1
b) b. 1.5
c) c. 2
d) d. 3
20.
TABLE 710.1(2)
20. The minimum horizontal branch drain pipe size (1/4 slope) for four public water closets (1.6 gpf) is ____inches.
a) a. 2
b) b. 2.5
c) c. 3
d) d. 4
21.
TABLE 710.1.(1) SMALLEST PIPE INUNDER 1/16 COLUMN IS 8"
21. The minimum allowed size of a 1/16" sloped building drain is ______ inches.
a) a. 1-1/4
b) b. 2
c) c. 3
d) d. 8
22.
708.1.1 IPC
22. Building sewers must be provided with cleanouts located not more than _____ feet apart measured from the upstream entrance of the cleanout.
a) a. 100
b) b. 200
c) c. 75
d) d. 400
23.
Table 605.3 ipc
23. Pipe fittings for cross-linked polyethylene (PEX) plastic tubing shall conorm to ______.
a) a. ASTM B43
b) b ASTM 1975
c) c. ASTM F 876
d) d. ASTM F 1974
24.
Table 709.1
24. Bathtubs shall have a waste outlet a minimum of ____ inches.
a) a. 1-1/2
b) b. 2
c) c. 1-1/4
d) d. 2-1/2
25.
911.3 plus table 911.3
25. A comon vent accepting the discharge of 3 dfu shall be a minimum size of____ inches.
a) a. 1-1/2
b) b. 2
c) c. 2-1/2
d) d. 3
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