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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The vertical and uniformly spaced lines on a psychrometric chart indicates

Wet bulb temperature
Specific humidity
Dew point temperature
Dry bulb temperature

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Refrigeration and Air Conditioning
For obtaining high COP, the pressure range of compressor should be

High
Optimum
Low
Any value

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

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

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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
The specific humidity during heating and humidification process.

Decreases
Remains constant
Increases
None of these

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

Wet bulb temperature
Dry bulb temperature
Relative humidity
Dew point temperature

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MORE MCQ ON Refrigeration and Air Conditioning

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