Explore topic-wise MCQs in Refrigeration.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the purpose of using a heat exchanger between condenser and evaporator?

A. Heat the water particles
B. Heat the strong hot solution
C. Heat the weak hot solution
D. Sub-cooling of the refrigerant
Answer» E.
2.

What is the purpose of using a heat exchanger between the pump and the generator?

A. Cool the strong hot solution
B. Heat the strong hot solution
C. Heat the weak hot solution
D. Cool the weak hot solution
Answer» E.
3.

What is the purpose of using a rectifier?

A. Removal of all water particles by cooling
B. Heat supplied
C. Pressure reduction
D. Removal of unwanted ammonia particles
Answer» B. Heat supplied
4.

What is the purpose of using an analyzer?

A. Heat supplied
B. Removal of unwanted water particles
C. Pressure reduction
D. Removal of unwanted ammonia particles
Answer» C. Pressure reduction
5.

What is the purpose of using a pressure reducing valve?

A. Heat supplied
B. Heat rejection
C. Pressure reduction
D. Pressure increment
Answer» D. Pressure increment
6.

What is the purpose of using a generator?

A. Heat supplied
B. Heat rejection
C. Pressure reduction
D. Pressure increment
Answer» B. Heat rejection
7.

What is the purpose of using a pump?

A. Heat absorption
B. Heat rejection
C. Pressure reduction
D. Pressure increment
Answer» E.
8.

What is the purpose of using an absorber?

A. Heat absorption
B. Heat rejection
C. Pressure reduction
D. Work done
Answer» C. Pressure reduction
9.

The compressor from VCRS is replaced by which of the following in the VARS?

A. Absorber, Pump
B. Generator, Pressure reducing valve
C. Absorber, Pump, Generator, and Pressure reducing valve
D. Absorber, Rectifier, Generator, and Pressure reducing valve
Answer» D. Absorber, Rectifier, Generator, and Pressure reducing valve
10.

Which of the following is correct about VARS and VCRS?

A. VARS use mechanical energy, and VCRS use heat energy
B. VARS use heat energy, and VCRS use mechanical energy
C. Both use mechanical energy
D. Both use heat energy
Answer» C. Both use mechanical energy