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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The COP of a domestic refrigerator

Depends upon the make
Is more than 1
Is equal to 1
Is less than 1

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Refrigeration and Air Conditioning
The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as

Mean radiant temperature
None of the listed here
Dew point temperature
Effective temperature

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

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

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Refrigeration and Air Conditioning
Ammonia is

Toxic and non-inflammable
Non-inflammable
Highly toxic and inflammable
Non-toxic

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Refrigeration and Air Conditioning
Vertical lines on pressure-enthalpy chart show constant

Total heat lines
Pressure lines
Entropy lines
Temperature lines

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Refrigeration and Air Conditioning
The relative coefficient of performance is

None of these
Actual COP × theoretical COP
Actual COP/theoretical COP
Theoretical COP/actual COP

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MORE MCQ ON Refrigeration and Air Conditioning

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