Plumbing: Copper Pipe & Fittings Flashcards Preview

From Flashcardlet > Plumbing: Copper Pipe & Fittings > Flashcards

Flashcards in Plumbing: Copper Pipe & Fittings Deck (22)
Loading flashcards...
0

True or False: Copper pipe is generally less expensive than other types of pipe.

False

1

Pipes that are measured in nominal sizing have an OD (outside diameter) that is how much larger than the nominal size?

1/8 inch

2

Types K, L, M & DWV of copper tubing are measured by what?

A. ID Sizing
B. OD Sizing
C. Nominal Sizing
D. Copper Tubing Sizing

C. Nominal Sizing

3

What color is DWV Copper?

Yellow

Hint: Think of piss

4

What color is K copper?

Green

5

What color is M copper

Red

Hint: Think of M=Masonry and Masonry bricks are Red.

6

What color is L copper?

Blue

Hint: Think bLue.

7

What fittings are used to make branches in a pipeline

Tees

8

Grooved copper fittings are made for connecting copper tubing in what size?

2 - 6 inches

9

What valve is most often used for draining and freeze protection above ground?

Compression, Stop and Waste Valve

10

What is the automatic valve that permits the flow of liquid in one direction only and prevents reverse flow?

Check Valve

11

What kind of Tee is used on branches that are longer than the main line?

Bullhead Tee

12

How do you measure a pipe that has fitting joined on both ends?

Center to Center

13

What tool is preferred to cut copper tubing because it makes a cleaner joint and leaves no metal particles?

Handheld Tube Cutter

14

What do you use to prevent the tube from collapsing while you are bending it by hand?

Tube Bending Spring

15

What kind of joint is used to join soft copper tubing from 1/4 - 2 inches?

Flare Joint

16

What two ways can you groove copper pipe?

By rolling or by cutting

17

What is type M copper used for?

Hydronic Heating Systems

18

What is type L copper used for?

Potable hot and cold water lines

19

What is type K copper used for?

Underground water service

Note: Comes in 60 foot & 120 foot coils.

20

What is type DWV copper used for?

Drainage only

21

What does annealing copper mean?

Softening copper