Title: U10 Quiz
Course: HAC 131 Refrigeration & Air Conditioning 1 > Section: HAC 131 Refrigeration & Air Conditioning 1

Q: True/False

Indicate whether the statement is true or false.

Is is ok to light your torch with a lighter.
- True
- False
A: False

Q: True/False

Indicate whether the statement is true or false.

Brazing is done at higher temperatures than soldering.
- True
- False
A: True

Q: True/False

Indicate whether the statement is true or false.

When soldering or brazing you heat the brazing rod with the torch.
- True
- False
A: False

Q: True/False

Indicate whether the statement is true or false.

The main purpose of flux is to prevent oxidation.
- True
- False
A: True

Q: True/False

Indicate whether the statement is true or false.

Flux also helps keep pipes clean and allows for the solder to flow.
- True
- False
A: True

Q: True/False

Indicate whether the statement is true or false.

When joining steel pipe, flux should be used.
- True
- False
A: False

Q: True/False

Indicate whether the statement is true or false.

K-type copper is heavy duty with thick wall tubing.
- True
- False
A: True

Q: True/False

Indicate whether the statement is true or false.

M-type copper is lightweight tubing and very rarely used in our industry.
- True
- False
A: True

Q: True/False

Indicate whether the statement is true or false.

It is not important to remove burrs from the copper tubing after performing your cut.
- True
- False
A: True

Q: True/False

Indicate whether the statement is true or false.

A swage depth should equal the tubing diameter.
- True
- False
A: True

Q: Multiple Choice

Identify the choice that best completes the statement or answers the question.

Plumbing diameter for copper tubing is the approximate.
- outside dimension
- inside dimension
- wall thickness
- none of the above
A: inside dimension

Q: Multiple Choice

Identify the choice that best completes the statement or answers the question.

ACR tubing is sized using
- outside dimension
- wall thickness
- inside dimension
- none of the above
A: outside dimension

Q: Multiple Choice

Identify the choice that best completes the statement or answers the question.

Filler materials used in high temp connections for copper joints are composed of
- 50/50 lead/tin
- 15%-60% silver
- 95/5 tin antimony
- bronze rod
A: 15%-60% silver

Q: Multiple Choice

Identify the choice that best completes the statement or answers the question.

ACR tubing is common to
- Air conditioning and refrigeration industry
- Welding industry
- plumbing industry
- all of the above
A: Air conditioning and refrigeration industry

Q: Multiple Choice

Identify the choice that best completes the statement or answers the question.

PVC is most commonly used for
- AC drain lines
- High pressure at high temps
- high pressure at low temps
- AC drain lines and high pressure at low temps
A: AC drain lines and high pressure at low temps