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Refrigeration and Air Conditioning

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

Less than
Greater than
None of the listed here
Equal to

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Refrigeration and Air Conditioning
The specific humidity during humidification process

Increases
None of these
Decreases
Remains constant

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Refrigeration and Air Conditioning
In Electrolux refrigerator

Hydrogen evaporates in ammonia
Ammonia evaporates in hydrogen
Ammonia is absorbed in water
Ammonia is absorbed in hydrogen

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Refrigeration and Air Conditioning
Chaperon equation is a relation between

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

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Refrigeration and Air Conditioning
In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

Wet vapour region
None of the listed here
Sub-cooled liquid region
Superheated vapour region

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Refrigeration and Air Conditioning
The unit of thermal diffusivity is

m/h
m²/h
m²/hK
m/hK

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MORE MCQ ON Refrigeration and Air Conditioning

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