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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

noisy operation
cooling below 0°C
very little power consumption
quiet operation

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Refrigeration and Air Conditioning
A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be

3
4
43834
43833

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Refrigeration and Air Conditioning
In a psychrometric chart, specific humidity (moisture content) lines are

Curved lines
Horizontal and uniformly spaced
Vertical and uniformly spaced
Horizontal and non-uniformly spaced

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Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

Saturation point of vapour
Triple point
Saturation point of liquid
Sublimation temperature

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Refrigeration and Air Conditioning
The leakage in a refrigeration system using Freon is detected by

Halide torch
All of these
Soap and water
Sulphur sticks

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Refrigeration and Air Conditioning
The evaporator changes the low pressure liquid refrigerant from the expansion valve into

Low pressure liquid and vapour refrigerant
Low pressure vapour refrigerant
High pressure liquid refrigerant
None of these

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MORE MCQ ON Refrigeration and Air Conditioning

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