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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Dew point depression
Wet bulb depression
Degree of saturation
Dry bulb depression

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

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

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

Compressor
Evaporator
Expansion valve
Condenser

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Refrigeration and Air Conditioning
A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be

2 kW
1 kW
3 kW
4 kW

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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
Moisture in Freon refrigeration system causes

Freezing automatic regulating valve
Ineffective refrigeration
High power consumption
Corrosion of whole system

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MORE MCQ ON Refrigeration and Air Conditioning

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