Plumbing

Question 1

For lines rated fifty kilovolts or less, _____ feet of clearance

Answer 1

6 feet

Question 2

For lines rated over fifty kilovolts, ______ plus ______ for every kilovolt every fifty kilovolts

Answer 2

Six feet plus

4/10 of an inch

Question 3

28 inches of water column produces pressure that is equal to

Answer 3

1 psi

2.3 ft = 1 psi

Question 4

For every foot of pipe _____ is lost in pressure

Answer 4

0.434 psi

Question 5

The minimum size of any building drain serving a water closet shall be _____ inches.

Answer 5

3

Question 6

What is a bathroom group?

Answer 6

Water closet
Lavatory
Bathtub or shower
Emergency Floor Drain
Including or excluding a bidet

Question 7

Relief Vent

Answer 7

A vent whose primary function is to provide circulation of air between drainage and vent systems.

Question 8

Stack vent

Answer 8

The extension of a soil or waste stack above the highest horizontal drain connected to the stack

Question 9

Stack

Answer 9

A general term for any vertical line of soil, waste, vent or inside conductor piping that extends through not fewer than one story with or without offsets.

Question 10

Vent stack

Answer 10

A vertical vent pipe installed primarily for the purpose of providing circulation of air to and from any part of the drainage system.