Exam 62: Heating and Air-Conditioning Components and Operation

The compressor operates continuously in which type of system?

(Multiple Choice)

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Question 21

What is the purpose of the expansion device located at the evaporator inlet?

(Multiple Choice)

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Question 22

Which of the following can result from evaporator freeze-up?

(Multiple Choice)

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Question 23

The orifice tube divides the high side of the system from the low side.

(True/False)

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Question 24

A fixed-orifice tube ________.

(Multiple Choice)

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Question 25

Most rigid refrigerant lines are made of ________.

(Multiple Choice)

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Question 26

In which component is heat added to the refrigerant?

(Multiple Choice)

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Question 27

Technician A says that all HFC-134a uses the same refrigerant oil. Technician B says that refrigerant oil, regardless of type, must be kept in a sealed container to keep it from absorbing moisture from the air. Which technician is correct?

(Multiple Choice)

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Question 28

Which of the following is used in modern automobiles to transfer heat energy?

(Multiple Choice)

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Question 29

Showing 21 - 29 of 29

Exam 62: Heating and Air-Conditioning Components and Operation

The compressor operates continuously in which type of system?

What is the purpose of the expansion device located at the evaporator inlet?

Which of the following can result from evaporator freeze-up?

The orifice tube divides the high side of the system from the low side.

A fixed-orifice tube ________.

Most rigid refrigerant lines are made of ________.

In which component is heat added to the refrigerant?

Technician A says that all HFC-134a uses the same refrigerant oil. Technician B says that refrigerant oil, regardless of type, must be kept in a sealed container to keep it from absorbing moisture from the air. Which technician is correct?

Which of the following is used in modern automobiles to transfer heat energy?

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