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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The domestic refrigerator uses following type of compressor

Centrifugal
Piston type reciprocating
Axial
Miniature sealed unit

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Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

5 tons
0.1 ton
40 tons
10 tons

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Refrigeration and Air Conditioning
The temperature of ammonia after compression in a vapour compression system is

None of these
70 to 110°C
20 to 50°C
50 to 70°C

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Refrigeration and Air Conditioning
The vapour compression refrigerator employs the following cycle

Carnot
Reversed Carnot
Reversed Rankine
Rankine

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Refrigeration and Air Conditioning
Which of the following is not a desirable property of a refrigerant?

Large latent heat
High risibility with oil
Good electrical conductor
Low boiling point

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Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

Carbon dioxide
R-12
Sulphur dioxide
Lithium bromide

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MORE MCQ ON Refrigeration and Air Conditioning

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