Explore topic-wise MCQs in Refrigeration.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.

1.

The Bell-Coleman refrigeration cycle uses _____ as refrigerant.

A. Coolant
B. CO2
C. Air
D. H2O
Answer» D. H2O
Discussion
2.

Which one of the following is not a true advantage of the Bell-Coleman cycle?

A. Air is used a refrigerant which is easily available
B. It is safe as air is non-inflammable
C. Air is nontoxic, non-corrosive and stable
D. Weight of air refrigeration equipment per ton of refrigeration is much more in aircraft than other refrigeration systems
Answer» E.
Discussion
3.

Which one of the following is not a true disadvantage of the Bell-Coleman cycle?

A. High running cost
B. Low COP
C. The danger of frosting at the expander valve is more
D. The size of the system is small
Answer» E.
Discussion
4.

Dense air Bell-Coleman refrigerator is preferred than open cycle air refrigerator.

A. True
B. False
Answer» B. False
Discussion
5.

In transport aviation, the air conditioning systems are based on ______ cycle.

A. Reversed Carnot cycle
B. Reversed Brayton cycle
C. Reversed Joule’s cycle
D. Otto cycle
Answer» C. Reversed Joule’s cycle
Discussion
6.

For a refrigerating system that works on Bell-Coleman cycle, which one of the following is not a process of the cycle in p-v diagram?

A. Isentropic compression process
B. Constant pressure cooling process
C. Isothermal expansion process
D. Constant pressure expansion process
Answer» D. Constant pressure expansion process
Discussion
7.

Bell-Coleman cycle is also known as _____________

A. Carnot cycle
B. Reversed Brayton or Joule’s cycle
C. Rankine cycle
D. Otto cycle
Answer» C. Rankine cycle
Discussion