TEST 4

Question 1

1. Traps may lose their seal in several ways. One term that has no effect on the loss of the seal is:

A. Siphonage.
B. Capillary action.
C. Condensation.
D. Momentum.

Answer 1

C. Condensation.

Question 2

2. The term “indirect waste” is most closely associated with the

A. prevention of food contamination.
B. installation of ejectors.
C. discharge of a sink into a dry well.
D. integral trap.

Answer 2

A. prevention of food contamination.

Question 3

3. A type of vent pipe that is used to vent back to back fixtures is known as a

A. relief vent.
B. unit vent.
C. branch vent.
D. reverse vent.

Answer 3

B. unit vent.

Question 4

4. The fixture unit value given to a water closet associated with a flush tank is:

A. 2
B. 3
C. 4
D. 6

Answer 4

C. 4

Question 5

5. The term “battery of fixtures” is most closely associated with

A. two water closets and a urinal on one wall
B. one water closet and one urinal on opposite walls
C. four water closets installed back to back
D. six adjacent water closets on a common wall.

Answer 5

D. six adjacent water closets on a common wall.

Question 6

6. The term “ fixture unit” is most closely associated with the

A. bath tub
B. kitchen sink
C. lavatory basin
D. water closet.

Answer 6

C. lavatory basin

Question 7

7. The type of trap prohibited under the NYC plumbing code is a

A. stack vented trap
B. running trap
C. crown vented trap
D. back vented trap.

Answer 7

C. crown vented trap

Question 8

8. The seal of a trap is identified as the vertical distance between the

A. inlet and the clean-out
B. dip and clean-out
C. dip and the weir
D. crown and the invert.

Answer 8

C. dip and the weir