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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Evaporator
Expansion valve
Compressor
Condenser

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Refrigeration and Air Conditioning
The coefficient of performance of Heat Pump is always ___ one.

Less than
Equal to
Greater than
None of the listed here

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Refrigeration and Air Conditioning
In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is

Cooled and dehumidified
Cooled and humidified
Heated and dehumidified
Heated and humidified

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Refrigeration and Air Conditioning
The refrigerant for a refrigerator should have

High total heat
High latent heat
High sensible heat
Low latent heat

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Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

very little power consumption
noisy operation
quiet operation
cooling below 0°C

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Refrigeration and Air Conditioning
Chaperon equation is a relation between

Temperature, pressure and enthalpy
Temperature, pressure, specific volume and enthalpy
Specific volume and enthalpy
Temperature and enthalpy

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MORE MCQ ON Refrigeration and Air Conditioning

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