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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

40 tons
0.1 ton
5 tons
10 tons

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Refrigeration and Air Conditioning
The boiling point of ammonia is

-30°C
-10.5°C
-77.7°C
-33.3°C

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Refrigeration and Air Conditioning
Chaperon equation is a relation between

Temperature and enthalpy
Temperature, pressure, specific volume and enthalpy
Specific volume and enthalpy
Temperature, pressure and enthalpy

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Refrigeration and Air Conditioning
Which of the following refrigerants has lowest freezing point?

Freon-22
Freon-12
NH3
CO2

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Refrigeration and Air Conditioning
The lowest thermal diffusivity is of

Rubber
Iron
Lead
Aluminium

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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.

Unpredictable
Less
Equally
More

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MORE MCQ ON Refrigeration and Air Conditioning

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