Explore topic-wise MCQs in Mechanical Engineering.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

In actual practice, one tonne of refrigeration is equivalent to

A. 3.0 kW
B. 3.5 kW
C. 4.0 kW
D. 4.5 kW
Answer» C. 4.0 kW
2.

A computer lab having a load of 450 MJ/day is cooled round the clock. It requires an air – conditioning plant of capacity about:

A. 2.75 ton
B. 1.5 ton
C. 2 ton
D. 1.75 ton
Answer» C. 2 ton
3.

In which part the cooling is achieved in refrigerator?

A. Condenser
B. Capillary
C. Evaporator
D. Compressor
Answer» D. Compressor
4.

In a refrigeration plant, removal of air to maintain pressure is termed as:

A. surging
B. charging
C. purging
D. merging
Answer» D. merging
5.

Equivalent value to unit of refrigeration is_________

A. 210 kJ/s
B. 3.5 kW/s
C. 210 kJ/min
D. 3.5 W/hr
Answer» D. 3.5 W/hr