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Refrigeration and Air Conditioning

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

Axial
Piston type reciprocating
Miniature sealed unit
Centrifugal

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Refrigeration and Air Conditioning
The air cooling system mostly used in transport type aircrafts is

Simple evaporative air cooling system
Simple air cooling system
Bootstrap air cooling system
All of the listed here

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Refrigeration and Air Conditioning
In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about

1
1.25
2.15
5.12

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Refrigeration and Air Conditioning
Air refrigeration operates on

Reversed Carnot cycle
Brayton cycle
Rankine’s cycle
Carnot cycle

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Refrigeration and Air Conditioning
The refrigerant supplied to a compressor must be

Dry saturated liquid refrigerant
Superheated vapour refrigerant
A mixture of liquid and vapour refrigerant
None of these

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Refrigeration and Air Conditioning
Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system

Strong solution to weak solution
Weak solution to strong solution
Ammonia vapours to weak solution
Strong solution to ammonia vapour

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MORE MCQ ON Refrigeration and Air Conditioning

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