Domestic refrigerator working on vapour compression cycle uses the following type of expansion device____________________?

A. Electrically operated throttling valve
B. Manually operated valve
C. Thermostatic valve
D. Capillary tube

The domestic refrigerator uses following type of compressor ____________________?

A. Centrifugal
B. Axial
C. Miniature sealed unit
D. Piston type reciprocating

The refrigerant for a refrigerator should have ___________________?

A. High sensible heat
B. High total heat
C. High latent heat
D. Low latent heat

Rating of a domestic refrigerator is of the order of__________________?

A. 0.1 ton
B. 5 tons
C. 10 tons
D. 40 tons

Refrigeration in aeroplanes usually employs the following refrigerant___________________?

A. Co2
B. Freon-11
C. Freon-22
D. Air

Air refrigeration operates on_____________________?

A. carnot cycle
B. reversed carnot cycle
C. rankine cycle
D. erricson cycle

For better COP of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be____________________?

A. Small
B. High
C. Euqal
D. Anything

Air refrigeration cycle is used in ____________________?

A. Domestic refrigerators
B. Commercial refrigerators
C. Air conditioning
D. Gas liquefaction

The bank of tubes at the back of domestic refrigerator are _________________?

A. Condenser tubes
B. Evaporator tubes
C. Refrigerant cooling tubes
D. Capillary tubes

The higher temperature in vapour compression cycle occurs at____________________?

A. receiver
B. expansion valve
C. evaporator
D. condenser discharge