Explore topic-wise MCQs in Heat Transfer Operations Questions and Answers.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Operations Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The Grimson’s correlation gives the set of parameters to be used to calculate the Nusselt number for the calculation of the heat transfer coefficient as Nu = C Ren Pr0.33.

A. True
B. False
Answer» B. False
Discussion
2.

Which one of the following correctly represents the condensation process in a condenser?

A. 2-3’-3-4
B. 3’-3
C. 3-4
D. 2-3’-3
Answer» C. 3-4
Discussion
3.

What is the relation between heat rejection ratio (HRR) and Coefficient of performance (COP)?

A. HRR = 1 + 1/COP
B. HRR = 1+ COP
C. HRR = COP/2
D. HRR = 1/COP
Answer» B. HRR = 1+ COP
Discussion
4.

What is the meaning of heat rejection ratio (HRR) of a condenser?

A. Ratio of heat rejected to the heat absorbed
B. Ratio of heat absorbed to the heat rejected
C. Ratio of heat required to the heat lost
D. Ratio of heat wasted in a cycle to the heat absorbed
Answer» B. Ratio of heat absorbed to the heat rejected
Discussion
5.

Evaporative condensers are used in places where water is _________

A. Scarce
B. Plenty
C. Moderately available
D. Sufficient
Answer» B. Plenty
Discussion
6.

Evaporative condensers combine the features of a _____________ in a single unit.

A. Cooling tower and water-cooled condenser
B. Falling tower and water-cooled condenser
C. Cooling tower and Air condenser
D. Rising film tower and water-cooled condenser
Answer» B. Falling tower and water-cooled condenser
Discussion
7.

In evaporative condensers, ___________ used to extract heat from the condensing refrigerant.

A. Air is
B. Both air and water are
C. Water is
D. Either air or water is
Answer» C. Water is
Discussion
8.

Recognize the following water cooled condenser.

A. Shell tube
B. Double tube condenser
C. Tube coil
D. Shell coil
Answer» C. Tube coil
Discussion