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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The refrigerant for a refrigerator should have

Low latent heat
High total heat
High sensible heat
High latent heat

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Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Compressor
Evaporator
Condenser
Expansion valve

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Refrigeration and Air Conditioning
The leaks in a refrigeration system using Freon are detected by

Halide torch which on detection produces greenish flame lighting
Sulphur sticks which on detection gives white smoke
Using reagents
Smelling

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Refrigeration and Air Conditioning
In a refrigerating machine, heat rejected is _________ heat absorbed.

None of these
Greater than
Less than
Equal to

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Refrigeration and Air Conditioning
A vapour absorption refrigeration system

Requires little power consumption
Gives quiet operation
Cools below 0°C
Gives noisy operation

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Refrigeration and Air Conditioning
A vapour absorption refrigerator uses _________ as a refrigerant.

Freon
Ammonia
Water
Aqua-ammonia

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MORE MCQ ON Refrigeration and Air Conditioning

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