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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be

3
43833
43834
4

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Refrigeration and Air Conditioning
The relative humidity lines on a psychrometric chart are

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

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Refrigeration and Air Conditioning
In mechanical refrigeration system, the refrigerant has the maximum temperature

Before expansion valve
In evaporator
Between condenser and evaporator
Between compressor and condenser

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Refrigeration and Air Conditioning
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

Water and lithium bromide
Ammonia and lithium bromide
Ammonia and water
Water and water

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Refrigeration and Air Conditioning
During adiabatic saturation process on unsaturated air ___ remains constant.

Dry bulb temperature
Dew point temperature
Wet bulb temperature
Relative humidity

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

Before entering the expansion valve
Before passing through the condenser
After passing through the expansion or throttle valve
After passing through the condenser

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MORE MCQ ON Refrigeration and Air Conditioning

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