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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An Electrolux refrigerator is called a ___ absorption system.

Three fluids
Two fluids
Single fluid
None of the listed here

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Refrigeration and Air Conditioning
For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

Anything
Small
Equal
High

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Refrigeration and Air Conditioning
The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called

Newton's law of gases
Dalton's law of partial pressures
Kinetic theory of gases
Avogadro's hypothesis

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Refrigeration and Air Conditioning
Carbon dioxide is

Odourless
All of the listed here
Colourless
Non-flammable

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Refrigeration and Air Conditioning
The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is

0.67
0.6
0.4
0.376

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Refrigeration and Air Conditioning
The process, generally used in summer air conditioning to cool and dehumidify the air, is called

Humidification
Cooling and dehumidification
Heating and humidification
Dehumidification

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