A. A drain from a fixture discharging indirectly into another fixture at a point below the flood level rim and above the trap seal.
2 the fixture which is not allowed to discharge its waste into a grease interceptor:
A. Commercial sink.
B. Floor drain for kettles.
C. Pot sink.
D. A commercial dishwasher whose water temperatire discharge is above 180*F.
D. A commercial dishwasher whose water temperatire discharge is above 180*F.
3. One cubic foot of water weights most nearly: A. 62.4 lbs. B. 8. 33 lbs. C. 7.48 lbs. D. 39.1.
A. 62.4 lbs.
4. Water boils at: A. 212*F. B. 32*F. C. 100*F. D. 0*F.
A. 212*F.
5. How many cubic inches are there in a gallon of water: A. 2.31. B. 231. C 1728. D. 212.
B. 231.
6. What kind of joint is permitted on a threadless copper pipe: A. Burned. B. Brazed. C. Threaded. D. Soldered.
B. Brazed.
7. You have to install a 2" waste pipe through a 12" beam. The hole size and location with the height of the beam, should be: A. A 4" hole 4" from the top. B. A 3" hole 3" frrom the top. C. A 3" hole 6" from the top. D. A. 5" hole 6" from the top.
C. A 3” hole 6” from the top.
8. A lintel is defined as a: A. Pipe support. B. Chair carrier. C. 6" nipple. D. Sleeve.
D. Sleeve.
9. A unit vent is sometimes called a: A. Dual vent. B. Individual vent. C. Relief. D. Loop.
A. Dual vent.
10. In a public building three urinals have been substituted fornwater closets. The number of requited water closets was most nearly: A. 6. B. 12. C. 15. D. 18.
A. 6.
11. Wall and floor spase to a point ... feet in front of a urinal lip and ... feet above the floor and at least ... feet to each side shall be waterproofed with a amooth, readily cleanable, nonabsorbent material. A. 1,2,3. B. 2,3,4. C. 2,4,2. D. 4,1,2.
C. 2,4,2.
D. Water closet soil pipe connection.
13. The wall area above built-in tubs having shower heads and in shower compartments shall be constructed of smooth, noncorrosive, nonabsorbent, waterproof materials to a height not less than ... feet above the floor level, and not less than ... inches where measured from the compartment floor at the drain. Such walls shall form a water-tight joint with each other and with either the tub, eeceptor or shower floor: A. 7-1/2, 70. B. 7,68. C 6,70. D. 5, 72.
C 6,70.
A. 3 water closets on each floor.
A. Smooth non-absorbent material.
B. Hinged open front.
C. Integral WC seats shall be the same material as the fixture.
D. WC seats shall be sized for the WC bowl type.
A. Air gap.
B. Backflow preventer.
17. Where fixtures come in contact with walls or floors, the space between the fixture and the wall shall be sealed against: A. Odors. B. water seepage. C. Rats. D. Vermin.
B. water seepage.
A. Screws of corrosion-resistant materials.
B. bolts of corrosion-resistant materials.
19. In an all girls high school of 750 students the minimum number of water closets required is: A. 14. B. 15. C. 22. D. 24.
B. 15.
20. A fixture trap of four inches has a drainage fixture unit value of: A. 2. B. 3. C. 4 D. 6.
D. 6.
21. A school dormitory for girls is designed to accommodate 30 girls. The minimum number of bathtube/showers that shall be installed is: A. 2 B. 4. C. 6. D. 8.
B. 4.
22. Each laundry tray waste outlet shall have a minimum waste outlet in each compartment is: A 1-1/4". B. 1-1/2". C. 2". D. ".
B. 1-1/2””.
23. A "chair carrier" is usually used to support: A. Wall hung fixtures. B. pedestal type fixture. C. Several pipes. D. Bathtubs.
A. Wall hung fixtures.
4 inch x 3 inch reducer.