Rating of a domestic refrigerator is of the order of__________________?

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

The refrigerant for a refrigerator should have ___________________?

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

The domestic refrigerator uses following type of compressor ____________________?

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

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

Presence of moisture in a refrigerant affects the working of___________________?

A. Compressor
B. Condenser
C. Evaparator
D. Expansion valve

The COP of a domestic refrigerator___________________?

A. Is less than 1
B. Is more than 1
C. Is equal to 1
D. Depends upon the make

Critical temperature is’ the temperature above which _____________________?

A. A gas will never liquefy
B. A gas will immediately liquefy
C. Water will evaporate
D. Water will never evaporate

One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?

A. In 1 hour
B. In 1 minute
C. In 24 hours
D. In 12 hours

In vapour compression cycle the condition of refrigerant is superheated vapour _____________________?

A. After passing through the condenser
B. Before passing through the condenser
C. After passing through the expansion or throttle valve
D. Before [entering the expansion valve

A standard ice point temperature corresponds to the temperature of ___________________?

A. water at 0°c
B. ice at – 4°c
C. solid and dry ice
D. mixture of ice, water and vapour under equilibrium conditions under ntp conditions