Explore topic-wise MCQs in Air Conditioning.

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

1.

Air being passed by not being in contact with the coil known to be measured as BPF.

A. True
B. False
Answer» B. False
2.

Number of rows of the fins in the opposite direction to the flow affects BPF.

A. False
B. True
Answer» B. True
3.

Which of the following does not affect the by-pass factor?

A. Pitch of the coil fins
B. Velocity of air
C. Weight of apparatus
D. Fin spacing
Answer» D. Fin spacing
4.

The by-pass factor of the coil ___________ with _________ in number of rows of fins.

A. increases, increase
B. decreases, decrease
C. increases, decrease
D. decreases, increase
Answer» E.
5.

The by-pass factor of the coil ___________ with _________ in fin spacing.

A. increases, increase
B. decreases, decrease
C. increases, decrease
D. decreases, increase
Answer» C. increases, decrease
6.

Which of the following is true about the effect of velocity on the by-pass factor?

A. decreases with an increase in velocity of air passing through it
B. remains unchanged with an increase in velocity of air passing through it
C. may increase or decrease with an increase in velocity of air passing through it depending upon the condition of air entering
D. increases with an increase in velocity of air passing through it
Answer» E.
7.

What is the number of fins provided in a unit length called?

A. By-pass
B. Distance
C. Pitch
D. Addendum
Answer» D. Addendum
8.

What is the inefficiency of the coil to attain the desired temperature called?

A. By-pass factor
B. Effectiveness
C. Efficiency
D. By-pressure factor
Answer» B. Effectiveness