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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is

Centrifugal
Reciprocating
Screw
Rotating

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Refrigeration and Air Conditioning
The Freon group of refrigerants are

Hydrocarbon refrigerants
Zoetrope refrigerants
Halocarbon refrigerants
Inorganic refrigerants

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Refrigeration and Air Conditioning
Chaperon equation is a relation between

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

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Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Wet bulb temperature
Dry bulb temperature
Specific humidity
Dew point temperature

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Refrigeration and Air Conditioning
For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of

Aluminium
Brass
Copper
Steel

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Refrigeration and Air Conditioning
The humidity ratio or specific humidity is the mass of water vapour present in

1 kg of wet air
1 kg of dry air
1 m3 of dry air
1 m3 of wet air

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MORE MCQ ON Refrigeration and Air Conditioning

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