Explore topic-wise MCQs in Mechanical Engineering.

This section includes 55 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.

51.

Presence of moisture in a refrigerant affects the working of:

A. Compressor
B. Condenser
C. Evaparator
D. Expansion valve
Answer» E.
Discussion
52.

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
53.

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
54.

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
55.

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