Explore topic-wise MCQs in Refrigeration.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.

1.

Mechanical Draft cooling towers do not depend on atmospheric air.

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

The cooling capacity of mechanical draft cooling towers cannot be varied.

A. False
B. True
Answer» B. True
Discussion
3.

Mechanical draft cooling tower size is ________ the size of the natural draft cooling tower.

A. smaller than
B. larger than
C. equal to the
D. very much larger than
Answer» B. larger than
Discussion
4.

What is L / G in terms of the cooling tower?

A. Length / Girth
B. Length / Gradient
C. Air mass flow rate / Water flow rate
D. Water flow rate / Air mass flow rate
Answer» E.
Discussion
5.

What is the correct representation of range from the following?

A. Range = Cooling tower water outlet temperature Wet bulb temperature
B. Range = Cooling tower water inlet temperature Wet bulb temperature
C. Range = Cooling tower water outlet temperature Dry bulb temperature
D. Range = Heat load in kcal per hour / Water circulation in liters per hour
Answer» E.
Discussion
6.

A cooling tower brings water temperature to _________

A. WBT
B. DBT
C. DPT
D. Ambient WBT
Answer» E.
Discussion
7.

What is the formula for the effectiveness of cooling tower from the following?

A. Range / (Range + Approach)
B. Approach / (Range + Approach)
C. Range / Approach
D. Approach / Range
Answer» B. Approach / (Range + Approach)
Discussion
8.

What is the difference between the temperature of entering and leaving water in the cooling tower?

A. Wet-bulb temperature
B. Dry bulb temperature
C. Approach
D. Range
Answer» E.
Discussion
9.

How is the performance of the cooling tower indicated?

A. Wet-bulb temperature
B. Dry bulb temperature
C. Approach
D. Range
Answer» D. Range
Discussion