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Copper and Plastic Piping

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

The organization that establishes manufacturing standards for copper tubing is ______.

a)

SAE

b)

CDA

c)

ASTM

d)

ASHRAE

2.

What type of Copper Tubing has the thinnest wall?

a)

Type K

b)

Type M

c)

TYPE ACR

d)

Type L

3.

As Copper Tubing wall thickness increases the inside diameter decreases.

a)

True

b)

False

4.

What type of copper tubing can be used with ammonia refrigeration systems?

a)

Type K

b)

Type DWV

c)

Type L

d)

None

5.

When soldering or brazing the filler metal has to have a higher melting point that the base metal.

a)

True

b)

False

6.

A ferrule is utilized as a part of a copper tubing and plastic tubing mechanical joining process.

a)

True

b)

False

7.

The term anneal is part of a heat-treating process to make soft copper tubing.

a)

True

b)

False

8.

Hard-drawn copper tubing means that it has been heated and drawn through several dies forming its shape and size.

a)

True

b)

False

9.

Which type of copper tubing would have a wall thickness of 0.065"?

a)

Type M

b)

Type L

c)

Type DWV

d)

Type K

10.

When considering outside dimensions, that means we use the measurement between the inside walls to calculate the tubing size?

a)

True

b)

False

11.

What is the primary use of Type L copper tubing?

a)

Plumbing and heating purposes

b)

Refrigeration systems

c)

Underground service lines

d)

None of the above

12.

Which organization is responsible for the standardization of copper tubing sizes?

a)

ASHRAE

b)

ASTM

c)

CDA

d)

SAE

13.

True or False: The process of annealing is used to harden copper tubing.

a)

True

b)

False

14.

Plastic piping cements take longer to cure in hot weather conditions.

a)

True

b)

False

c)

not sure

d)

The same in hot and cold envirnoments

15.

In wet environments, plastic piping cure times for PVC solvent-cement joints should be longer by ___.

a)

20%

b)

35%

c)

50%

d)

65%

16.

What is one reason a tubing cutter is used to cut copper tubing instead of a hacksaw?

a)

tubing cutters do not leave jagged and rough edges.

b)

stronger joints will result.

c)

tubing can be cut off at an angle.

d)

it does not leave a ridge in side of the tubing.

17.

Which of the following are correct about push-to-connect copper tubing fittings?

a)

These are made for steel applications.

b)

These are designed to reuse many times.

c)

Some fitting come with a easy removal tool.

d)

They are common to high pressure applications.

18.

When swaging copper tubing a ferrule is need to make a proper connection.

a)

True

b)

False

19.

When working with a pressure relief valve on a nitrogen pressure test set the relieve pressure should be set at _____.

a)

safe work pressure

b)

50% high than the required test pressure

c)

1 to 2 psig above the required test pressure

d)

thew highest setting on the nitrogen regulator

20.

Which plastic piping is widely use in the construction industry?

a)

PVC

b)

PEX

c)

ABS

d)

CPVC

21.

The smaller the copper tubing, you would expect it to require the closest support (hanger) spacing?

a)

True

b)

False