Deck 9: Plumbing

Question 1

Potable water is safe for human consumption.

Answer 1

True

Question 2

Plumbing tools should be purchased from a licensed and insured dealer.

Answer 2

False

Question 3

_____ pipe was used widely in the early twentieth century for water distribution systems; today, it is used in the manufacture of faucets, valves, and other products for potable water.

A) Brass
B) Galvanized steel
C) Black steel
D) Cast iron

Answer 3

A

Question 4

When applying caulk, hold the caulk at about a _____ angle.

A) 5-10°
B) 15-20°
C) 45°
D) 90°

Question 5

Baking soda and vinegar can be used to unclog a slow-draining lavatory.

Question 6

What type of copper tubing is a thick-walled tubing used primarily for underground water service?

A) Type K
B) Type L
C) Type M
D) Type N

Question 7

A(n) _____ is used to terminate a section of pipe and is a fitting that screws into the inside of a section of pipe.

A) cap
B) union
C) plug
D) bushing

Question 8

A thermostat is a device used to control the temperature of water by controlling the heat source.

Question 9

A _____ is used to remove burs from piping.

A) plastic pipe cutter
B) reamer
C) midget cutter
D) closet auger

Question 10

SV gasket lubricant can irritate the eyes.

Question 11

Fittings are classified according to their size.

Question 12

To correctly measure copper tubing, measure it from the centers of two fittings or from the end of the pipe run to the center of a fitting.

Question 13

Although copper tubing can be cut with various cutting tools, it is recommended that, when possible, a _____ should be used.

A) tubing cutter
B) hacksaw
C) jig saw
D) circular saw

Question 14

Fittings are devices used to control the flow of water.

Question 15

_____ is a yellowish-white flexible pipe used in water distribution systems.

A) PVC
B) ABS
C) CPVC
D) PE

Question 16

What type of caulk is designed for wet applications and a good choice for showers and tubs?

A) Butyl rubber
B) Vinyl latex
C) Acrylic
D) Silicone

Question 17

Regardless of the application, all plumbing systems use valves.

Question 18

What type of valve can be used for both water and gas in a residential setting?

A) Gate
B) Stop
C) Gas cock
D) Ball

Question 19

What type of plumbing support is typically used to secure a section of pipe to a structural steel member?

A) Hanger strap
B) Wire hanger
C) Clamp
D) U-bolt

Question 20

Valves are devices used to connect pipes together in a plumbing system.