Title: Unit 15 Quiz
Course: HAC 131 Refrigeration & Air Conditioning 1 > Section: HAC 131 Refrigeration & Air Conditioning 1

Q: MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

Charging a system refers to ______________.
- adding refrigerant
- recovering refrigerant
- removing refrigerant
- evacuating refrigerant
A: adding refrigerant

Q: MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

Vapor refrigrant is usually introduced through _______________.
- liquid line
- suction line
- hot gas line
- compressor outlet
A: suction line

Q: MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

With a system off, you introduce liquid through the ___________________.
- high side
- low side
- both sides
- any of the above
A: high side

Q: MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

When charging a system by weight, how much do you add for each additional foot past 15ft of line?
-  .5oz
- 1lb
-  .6 oz
-  .8oz
A:  .6 oz

Q: MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

Fractination is when ____________________.
- only vapor enters
- some of the blend vaporizes and condenses at a different rate
- it goes in equally
- only liquid enters
A: some of the blend vaporizes and condenses at a different rate

Q: TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false.

When charging liquid with a system running, you can charge as fast as you want
- True
- False
A: False

Q: TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false.

You can charge vapor with the system running.
- True
- False
A: True

Q: MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

An electronic scale should be used __________________.
- when you are charging an empty system
- when you are charging a half charged system
- when you are removing refrigerant
- when you are charging an empty system and when you are charging a half charged system
A: when you are charging an empty system and when you are charging a half charged system

Q: TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false.

With the system off, it is ok to charge liquid through the liquid side
- True
- False
A: True

Q: MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

An electronic scale should be used __________________.
- when you are charging an empty system
- when you are charging a half charged system
- when you are removing refrigerant
- when you are charging an empty system and when you are charging a half charged system
A: when you are charging an empty system and when you are charging a half charged system