1000+ Refrigeration and Air Conditioning Question Bank Pdf - 2

Question: 6

In a mechanical refrigeration system, the highest temperature of refrigerant occurs

(A) between compressor and condenser

(B) before expansion valve

(C) in evaporator

(D) between condenser and evaporator

Question: 7

Oil separator in a refrigeration cycle is installed

(A) between condenser and expansion valve

(B) between condenser and evaporator

(C) before compressor

(D) between compressor and condenser

Question: 8

One ton of refrigeration is equivalent to SI units of

(A) 2.5 kW

(B) 3.5 kW

(C) 4.5 kW

(D) 5 kW

Question: 9

A refrigerant is added to vapour compression cycle through

(A) low side in liquid form

(B) high side in vapour form

(C) high side in liquid form

(D) none of the above

Question: 10

Which of the following temperature is closest to absolute zero?

(A) nitrogen transition point

(B) helium boiling point

(C) carbon dioxide boiling point

(D) oxygen triple point