Deck 39: Plumbing Systems

Question 1

The ____ fitting is designed to handle pressure fluctuations that occur when falling water suddenly turns horizontal.

A) relief line
B) deaerator
C) vent stack
D) trap

Answer 1

B

Question 2

What is indirect waste and how is it handled?

Answer 2

Indirect waste, such as that from food-handling equipment, dishwashers, sterilizers, and commercial laundries, are discharged with an indirect waste pipe. The waste from the indirect waste pipe is not discharged directly into the building sanitary piping system but into a fixture connected to the building sanitary system.

Question 3

____ drain pipe is used for the disposal of special liquids, such as in a chemical plant or research laboratory.

A) Clay
B) Glass
C) Plastic
D) Copper

Answer 3

B

Question 4

____ pipe is used for water lines, especially if the water contains corrosive elements.

A) Glass
B) Copper
C) Red brass
D) Plastic

Question 5

Describe the characteristics of typical drinking fountains.

Question 6

Describe different types of pipe connections and their applications.

Question 7

Of the approximately 370 billion gallons of water on earth, almost ____ percent resides in the oceans.

A) 90
B) 92
C) 96
D) 98

Question 8

Describe two ways to drain roof water.

Question 9

____ are used by janitors to clean mops and for other cleaning activities.

A) Lavatories
B) Water closets
C) Wash stations
D) Service sinks

Question 10

Define potable water and describe some of the inherent problems of surface-collected water.

Question 11

A ____ is any system that converts human waste into an organic compost and usable soil through the natural breakdown of organic matter into its essential minerals.

A) water closet
B) composting toilet
C) lavatory
D) wash station

Question 12

How is waste pipe size calculated?

Question 13

The thicker the pipe wall, the greater the ____ the pipe can carry.

A) volume
B) pressure
C) area
D) flow rate

Question 14

____ valves are used to control water levels in tanks.

A) Saddle
B) Backflow
C) Float
D) "T and P"

Question 15

Describe welded steel pipe and how it is made.

Question 16

Describe lavatories in public facilities.

Question 17

____ are used to catch large items of waste material near the point of origin.

A) Interceptors
B) Drainage filters
C) Vent stacks
D) Traps

Question 18

____ is non-industrial wastewater generated from domestic processes, except toilets.

A) Runoff
B) Bluewater
C) Blackwater
D) Graywater

Question 19

What is the Sovent system?

Question 20

What is a down-feed potable system and where is it used?