1000+ Refrigeration and Air Conditioning MCQ Questions & Answers - 2

Question: 6

The type of compressor used in refrigeration system is

(A) centrifugal

(B) rotary sliding vane

(C) rotary screw compressor

(D) open

Question: 7

The condensation of moisture contained in air will take place at

(A) dew point temperature

(B) anywhere between dry bulb temperature and wet bulb temperature

(C) wet bulb temperature

(D) dry bulb temperature

Question: 8

Water is used as a refrigerant in

(A) cascade system

(B) vapour absorption cycle

(C) steam jet refrigeration

(D) vapour compression cycle

Question: 9

Which of the following process can be used for dehumidification of air?

(A) heating

(B) cooling

(C) injecting water

(D) injecting steam

Question: 10

The ratio of water vapour to the mass of dry air in a given mixture is known as

(A) degree of saturation

(B) humidity ratio

(C) relative humidity

(D) any of the above