- An air break (drainage system) is generally found in a:
A. A drain from a fixture discharging indirectly into another fixture at a point below the flood level rim and above the trap seal.
B. a vertical distance through the free atmosphere between the faucet to the flood level rim.
C. A body of air between a faucet and an overflow rim.
D. The air between the vacuum breaker and check valve.
A. A drain from a fixture discharging indirectly into another fixture at a point below the flood level rim and above the trap seal.
- How many cubic inches are there in a gallon of water:
A. 2.31.
B. 231.
C 1728.
D. 212.
B. 231.
- 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” from 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.
- 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.
- Each laundry tray waste outlet shall have a minimum waste outlet in each compartment is:
A 1-1/4”.
B. 2”
C. 1-1/2”
D. 2-1/2”
C. 1-1/2”
- Flush tank equipped for manual flushing shall be controlled by a device designed to refill the tank after each discharge and to shut off completely the water flow to the tank when the tank is filled to operational capacity is called:
A. Vacuum breaker
B. Float valve
C. Fill valve (Ball cock)
D. Re-fill tube
C. Fill valve (Ball cock)
- When connected to a 3-inch branch connection the open area of a floor drain strainer shall most nearly:
A. 10.6 sq. in.
B. 8.9 sq. in.
C. 7.1 sq. in.
D. 5.3 sq. in
C. 7.1 sq. in.
- When facilities for physically handicapped persons are provided the minimum height above the floor that the toilet seat shall be installed is:
A. 15-16 in.
B. 16-19 in.
C. 17-19 in.
D. 19-24 in.
C. 17-19 in.
- The minimum rate of filling a fire reserve tank is 63 gallons per minute and the minimum capacity of the fire reserve tank is 3500 gallons. The time required to fill an empty standpipe reserve tank is most nearly:
A. 35 min.
B. 77 min.
C. 46 min.
D. 53 min.
D. 53 min.
- When facilities for the physically handicapped persons are provided the minimum width of the water closet stall shall be most nearly:
A. 24 in.
B. 28 in.
C. 32 in.
D. 36 in
D. 36 in
