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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The humidification process, on the psychrometric chart is shown by

Horizontal line
Inclined line
Curved line
Vertical line

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Refrigeration and Air Conditioning
Cooling water is required for following equipment in ammonia absorption plant

Condenser
Absorber
Condenser, absorber and separator (rectifier)
Evaporator

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Refrigeration and Air Conditioning
Refrigeration in aeroplanes usually employs the following refrigerant

Freon-11
Freon-22
Air
CO2

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Refrigeration and Air Conditioning
During adiabatic saturation process on unsaturated air ___ remains constant.

Dry bulb temperature
Dew point temperature
Wet bulb temperature
Relative humidity

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Refrigeration and Air Conditioning
Freon group of refrigerants are

Non-inflammable and toxic
Inflammable
Nontoxic and non-inflammable
Toxic

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Refrigeration and Air Conditioning
The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is

Bigger
Smaller/bigger depending on capacity
Smaller
Equal

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MORE MCQ ON Refrigeration and Air Conditioning

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