060201f Plumbing Fixtures Dishwashers and Garbage Grinders

Question 1

Minimum size P trap for a service sink?

Answer 1

2”

Question 2

Two common shower membrane materials?

Answer 2

PVC liner and Lead sheeting

Question 3

Max length and minimum inside diameter of tailpieces?

Answer 3

750mm long and 1/4” min diameter

Question 4

Another name for a concealed overflow?

Answer 4

Bitransit Waste

Question 5

Garbage grinder FU’s

Answer 5

0

Question 6

Residential garbage grinder outlet pipe size?

Answer 6

1 1/2” (2” for commercial)

Question 7

FU count of a clothes washer that drains into a laundry sink?

Answer 7

0

Question 8

Max water temperature supplied to a dishwasher?

Answer 8

140°F (60°C)

Question 9

Max temperature supplied to a shower?

Answer 9

120°F

Question 10

2 types of garbage grinders?

Answer 10

Continuous Feed, Batch Feed

Question 11

What kind of garbage grinder has no safety switch?

Answer 11

Continuous Feed

Question 12

What kind of garbage grinder is activated when the sink stopper is placed over the inlet to the grinder?

Answer 12

Batch Feed

Question 13

Should hot water or cold water flow through a garbage grinder when in operation?

Answer 13

Cold water to solidify grease so grinder can break it up

Question 14

Minimum supply to a dish washer?

Answer 14

3/8”