Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Presence of moisture in a refrigerant affects the working of:

A. Compressor
B. Condenser
C. Evaparator
D. Expansion valve
Answer» E.
Discussion
2.

In a refrigeration system, why is receiver installed in the liquid line?

A. To wet the refrigerant
B. To heat the refrigerant
C. To collect the refrigerant
D. To dry the refrigerant
Answer» D. To dry the refrigerant
Discussion
3.

A Bell Coleman cycle is

A. Reversed Stirling cycle
B. Reversed Carnot cycle
C. Reversed Joule cycle
D. Reversed Atkinson cycle
Answer» D. Reversed Atkinson cycle
Discussion
4.

At the back of the domestic refrigerator, the bank of tubes is called:

A. Evaporator tubes
B. Condenser tubes
C. Refrigerant cooling tubes
D. Capillary tubes
Answer» C. Refrigerant cooling tubes
Discussion
5.

HP/TR of refrigeration system is:

A. Directly proportional to the COP of refrigeration system
B. Inversely proportional to the COP of refrigeration system
C. Independent of COP of refrigeration system
D. 1 + {COP of refrigeration system}
Answer» C. Independent of COP of refrigeration system
Discussion