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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Carbon dioxide is

Colourless
All of the listed here
Odourless
Non-flammable

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Refrigeration and Air Conditioning
Chaperon equation is a relation between

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

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Refrigeration and Air Conditioning
Under cooling in a refrigeration cycle

Decreases C.O.P
Increases C.O.P
Other factors decide C.O.P
O.P remains unaltered

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Refrigeration and Air Conditioning
The minimum temperature to which water can be cooled in a cooling tower is

Dew point temperature of air
Wet bulb temperature of air
Dry bulb temperature of air
Ambient air temperature

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Refrigeration and Air Conditioning
The Freon group of refrigerants are

Inorganic refrigerants
Hydrocarbon refrigerants
Halocarbon refrigerants
Zoetrope refrigerants

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Refrigeration and Air Conditioning
A standard ice point temperature corresponds to the temperature of

Water at 0°C
Mixture of ice and water under equilibrium conditions
Solid and dry ice
Ice at 4°C

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MORE MCQ ON Refrigeration and Air Conditioning

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