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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Compressor
Condenser
Expansion valve
Evaporator

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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

0.6
0.376
0.67
0.4

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is very wet vapour

After passing through the expansion or throttle valve
Before passing through the condenser
Before entering the compressor
After passing through the condenser

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Refrigeration and Air Conditioning
A bootstrap air cooling system has

Three heat exchangers
One heat exchanger
Two heat exchangers
Four heat exchangers

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Refrigeration and Air Conditioning
The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to

Orange
Bright green
Yellow
Red

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Refrigeration and Air Conditioning
An evaporator is also known as

Cooling coil
Freezing coil
Chilling coil
All of these

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MORE MCQ ON Refrigeration and Air Conditioning

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