Plumbing

Question 1

The required clearance in front of a 2” clean out is?

Answer 1

18”

Question 2

PVC shall be supported horizontally every Ft?

Answer 2

4

Question 3

The maximum horizontal distance of a trap arm is measured from the inner edge of the vent to the?

Answer 3

Weir of the trap

Question 4

Pex piping 1” and smaller shall be supported horizontal every How many feet?

Answer 4

32”

Question 5

The required distance in front of a3” clean out is?

Answer 5

24”

Question 6

The minimum size trap for a kitchen sink is?

Answer 6

11/2”

Question 7

The minimum size for a kitchen waste is?

Answer 7

2’

Question 8

A sewage ejector line shall be provided with a?

Answer 8

Back water valve and gate valve

Question 9

The maximum number of water closets on 3” stack is?

Answer 9

4

Question 10

The max length for a 11/2 pipe is?

Answer 10

60’

Question 11

A plumbing vent shall not terminate through the roof not less then?

Answer 11

10’

Question 12

Drinking fountains may be installed with a?

Answer 12

Indirect waste

Question 13

11/2 trap arm can’t exceed

Answer 13

42”

Question 14

2” trap arm can’t exceed

Answer 14

60”

Question 15

3” trap arm can not exceed

Answer 15

72”

Question 16

4” trap can not exceed

Answer 16

120”

Question 17

The vacuum breaker above the urinal must be at least

Answer 17

6”