Deck 14: Plumbing Systems

Question 1

The IRC defines a manifold as a unit used to contain and discharge water.

Answer 1

False

Question 2

Hot-water recirculation is the process of constantly moving water through a loop in a hot-water pipe.

Answer 2

True

Question 3

Plastic pipes provide a durable material to distribute water and are quickly assembled by the use of soldered joints and fittings.

Answer 3

False

Question 4

What term refers to the vertical drain lines that carry waste from the home to the sewer main?

A) soil lines
B) bent stacks
C) branch lines
D) stack lines

Question 5

Hot-water branch lines are normally located ____ from and parallel to cold-water lines.

A) 2'' (50 mm)
B) 3'' (75 mm)
C) 6'' (150 mm)
D) 32'' (815 mm)

Question 6

Green PVC pipe is usually used for _____.

A) cold-water piping
B) sewer service
C) high-pressure applications
D) venting

Question 7

Bathroom plumbing should be kept away from _____ walls.

A) bedroom
B) kitchen
C) hallway
D) garage

Question 8

Most cities have a separate storm sewer system to dispose of groundwater, rainwater, surface water, or other nonpolluting waste.

Question 9

The term ____ refers to the water supply line that extends from the water meter into the home to deliver potable (drinkable) water.

A) hose bibb
B) riser
C) branch
D) main

Question 10

When placing plumbing in wood framing, holes bored into joists must not exceed _____ of the joist depth.

A) 1/8
B) 1/4
C) 1/3
D) 1/2

Question 11

A solar water-heating system is designed to heat water by capturing energy from the sun.

Question 12

A ____ is an underground branch line that extends from the sewer line to the edge of the street or to the property line.

A) lateral
B) fire sprinkler
C) riser
D) drainpipe

Question 13

Drain fields can be placed no closer than ____ from a water-table level.

A) 1' (300 mm)
B) 2' (600 mm)
C) 3' (900 mm)
D) 5' (1500 mm)

Question 14

Which statement about home fire sprinklers is correct?

A) Smoke activates sprinklers.
B) In most instances, sprinklers control fire advancement within a few minutes.
C) Once activated, the entire sprinkler system begins spraying water.
D) Water from home sprinklers causes more damage than fire would.

Question 15

A ____ is empty until waste is flushed through the system.

A) stack line
B) vent stack
C) soil line
D) riser