If the suction pressure of a refrigeration compressor is too high, it shows
A.Lack of refrigerant on cycle
B.Excessive load and evaporator
C.Negligible load on evaporator
D.Any of above
E.None of the above
Category: Refrigeration and Air conditioning Mcqs
Two thermometers are constructed in the same way except that one has a spherical bulb and the other an elongated cylindrical bulb. Which one will respond quickly to temperature change?
A.Spherical bulb thermometer
B.Cylindrical bulb thermometer
C.Both will respond in identical manner
D.Cannot be ascertained on the basis of information provided
A Bell-Coleman cycle is
A.Reversed Carnot cycle
B.Reversed Joule cycle
C.Reversed Otto cycle
D.Reversed Rankine cycle
E.Reversed Sterling cycle
The rate of evaporation of water will be low when
A.Reactive humidity is zero
B.Relative humidity is less than 50%
C.Relative humidity is high
D.Rate of evaporation does not depend on relative humidity
In a refrigeration system a condenser
A.Receives liquid refrigerant and supplies liquid refrigerant
B.Receives vapour refrigerant and supplies vapour refrigerant
C.Receives vapour refrigerant and supplies liquid refrigerant
D.Receives liquid refrigerant and supplies liquid refrigerant
E.None of the above
Refrigerant 717 is
A.Air
B.Ammonia
C.Carbondioxide
D.Freon 12
E.Freon 22
In a refrigerator evaporator is located
A.On the bottom of refrigerator cabinet
B.Behind the refrigerator cabinet
C.Adjacent to compressor
D.Inside the refrigerator cabinet
E.On the side of condenser
In a mechanical refrigeration system the highest temperature of refrigerant occurs
A.Between condenser and evaporator
B.In evaporator
C.Before expansion valve
D.Before expansion valve
E.Between compressor and condenser
pH value of a brine solution is
A.70
B.More than
C.Less than 7
D.14
E.Could be any value
