A.High refrigerant charge
B.Low refrigerant charge
C.Air in the system
D.High vapour pressure
E.Any of the above
A.Size of compressor required would be large to handle volumes of vapour
B.Compression ratio has to be restricted till stronger body of compressor is needed
C.Condenser capacity must be increased to handle the refrigerant
D.Insulation should be capable of withstanding such low temperatures
E.Freon 12 cannot be used for such low temperatures
A.Newton’s law of gases
B.Kinetic theory of gases
C.Fick’s law
D.Avogadro’s hypothesis
E.Dalton’s law of partial pressures.
A.Yellow
B.Red or pink
C.Violet or orange
D.Black or grey
E.Blue or bright green
A.Confirms the flow of refrigerant
B.Indicates the efficiency of cycle
C.Helps in adjusting the compressor performance
D.Shows the heat of refrigerant leaving the cylinder on way to the condenser
E.None of the above
A.100 kcal/4 hour
B.100 kcal/hour
C.50 kcal/min
D.25 kcal/sec
E.None of the above
A.High side in vapour form
B.High side in liquid form
C.Low side in liquid form
D.None of the above
A.Non-flow only
B.Steady flow only
C.Non flow or steady flow
D.Transient flow
A.Sensible heat only
B.Latent heat only
C.Sensile heat and latent heat
D.Partly sensible heat and latent heat
E.None of the above
A.0.2 kg
B.0.5 kg
C.1 kg
D.1.2 kg
E.1.8 kg
