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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The coefficient of performance of Heat Pump is always ___ one.

Greater than
None of the listed here
Less than
Equal to

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Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Dry bulb temperature
Dew point temperature
Wet bulb temperature
Specific humidity

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Refrigeration and Air Conditioning
The capacity of a domestic refrigerator is in the range of

3 to 5 TR
5 to 7 TR
1 to 3 TR
0.1 to 0.3 TR

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Refrigeration and Air Conditioning
The dehumidification process, on the psychrometric chart, is shown by

Horizontal line
Curved line
Inclined line
Vertical line

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Refrigeration and Air Conditioning
The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P.

Less
Unpredictable
More
Equally

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Refrigeration and Air Conditioning
When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be

Negative
Zero
Positive
None of the listed here

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