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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
43

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

43) The temperature of ammonia after compression in a vapour compression system is

20 to 50 Degree Centigrade

50 to 70 Degree Centigrade

70 to 110 Degree Centigrade

none of these

Answer is:

70 to 110 Degree Centigrade

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

44) The centrifugal compressors are generally used for refrigerants that require

small displacements and low condensing pressures

large displacements and high condensing pressures

small displacements and high condensing pressures

large displacements and low condensing pressures

Answer is:

large displacements and low condensing pressures

45) The water, alcohol and ammonia have same refrigerating effect at different altitudes.

Yes

No

Unknown

None

Answer is:

No

46) The automobile radiator is a heat exchanger of

parallel flow type

counter flow type

cross flow type

regenerator type

Answer is:

cross flow type

47) In mechanical refrigeration system, the refrigerant occurs as liquid between condenser and expansion valve.

Right

Wrong

Answer is:

Right

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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