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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Condenser
Compressor
Expansion valve
Evaporator

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Refrigeration and Air Conditioning
Chaperon equation is a relation between

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

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Refrigeration and Air Conditioning
The curved lines on a psychrometric chart indicates

Wet bulb temperature
Dry bulb temperature
Dew point temperature
Relative humidity

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Refrigeration and Air Conditioning
Ammonia is

Highly toxic and inflammable
Non-inflammable
Toxic and non-inflammable
Non-toxic

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Refrigeration and Air Conditioning
The value of C.O.P in vapour compression cycle is usually

Always less than unity
Always more than unity
Any one of the above
Equal to unity

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Refrigeration and Air Conditioning
Accumulators should have adequate volume to store refrigerant charge at least

0.1
0.5
0.25
0.75

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MORE MCQ ON Refrigeration and Air Conditioning

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