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Refrigeration and Air Conditioning

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

Three fluids
None of the listed here
Single fluid
Two fluids

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Refrigeration and Air Conditioning
Highest temperature encountered in refrigeration cycle should be

Much below critical temperature
Near critical temperature of refrigerant
At critical Temperature
Above critical temperature

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Refrigeration and Air Conditioning
The capillary tube, as an expansion device, is used in

Water coolers
All of these
Room air conditioners
Domestic refrigerators

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Refrigeration and Air Conditioning
The higher temperature in vapour compression cycle occurs at

Receiver
Evaporator
Compressor discharge
Expansion valve

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Refrigeration and Air Conditioning
The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is

18.6 kW
1.86 kW
7.44 kW
3.72 kW

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Refrigeration and Air Conditioning
Air refrigerator works on

Reversed Carnot cycle
None of these
Bell Coleman cycle
Both (A) and (B)

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