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Refrigeration MCQ Questions And Answers - Refrigeration and Air Conditioning

Refrigeration MCQs : This section focuses on the "Refrigeration" in Refrigeration and Air Conditioning. These Multiple Choice Questions (MCQs) should be practiced to improve the Refrigeration and Air Conditioning skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

How many different entities associated with temperature?

A. 1
B. 2
C. 3
D. 4

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Question 2

Refrigeration is the process of cooling space.

C. Can be true or false
D. Can not say

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Question 3

Refrigerators work on the _________ law of thermodynamics.

A. Zero
B. First
C. Second
D. Third

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Question 4

Which of the following main part of the refrigerator that helps to keep the device and things cool always?

A. Compressor
B. Expansion
C. Condenser
D. Evaporator

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Question 5

Which of the following compresses the low-pressure, low-temperature vapor into a high-temperature, high-pressure vapor?

A. Expansion
B. Condenser
C. Compressor
D. All of the above

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Question 6

What does 1 Tonne (TR) in refrigeration mean?

A. Weight of gases
B. Weight of coolant
C. Capacity of 1 tonne air to be cooled to 0 C in 24 hours
D. Capacity of 1 tonne water to be cooled to 0 C in 24 hours

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Question 7

Which is the S.I. unit to measure pressure in refrigeration?

A. Newton
B. Pascal
C. Joule
D. Bar

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Question 8

What is the S.I. unit required to measure the work done in refrigeration is?

A. Joule/kg
B. KJ/kg
C. Joule/s
D. Joule/m. s

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Question 9

What is the term C.O.P. referred in terms of refrigeration?

A. Co-efficient of Performance
B. Cooling for Performance
C. Co-efficient of Plant
D. Capacity of Performance

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Question 10

A refrigerant is a substance used in a heat cycle to transfer heat from one area, and remove it to another.

C. Can be true or false
D. Can not say

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