Refrigeration & Air Conditioning Mcqs

Q.  Clapeyron equation is a relation between___________________?

a. temperature, pressure and enthalpy
b. specific volume and enthalpy
c. temperature and enthalpy
d. temperature, pressure, and specil volume
e. temperature, pressure, specific volur and’enthalpy


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MCQs:  The domestic refrigerator uses following type of compressor ____________________?
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MCQs:  The refrigerant for a refrigerator should have ___________________?
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MCQs:  Rating of a domestic refrigerator is of the order of__________________?
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MCQs:  Air refrigeration operates on_____________________?
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MCQs:  For better COP of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be____________________?
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MCQs:  Air refrigeration cycle is used in ____________________?
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MCQs:  The bank of tubes at the back of domestic refrigerator are _________________?
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MCQs:  The higher temperature in vapour compression cycle occurs at____________________?
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MCQs:  The vapor pressure of refrigerant should be_________________?
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MCQs:  Critical pressure of a liquid is the pressure_________________?
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MCQs:  In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity of refrigerant for system is_____________________?
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MCQs:  The value of COP in vapour compression cycle is usually__________________?
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MCQs:  Condensing temperature in a refrigerator is the temperature_________________?
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MCQs:  In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be_________________?
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MCQs:  In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to___________________?
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MCQs:  Accumulators should have adequate volume to store refrigerant charge at least_________________?
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MCQs:  A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of- 23°C. The Cannot coefficient of performance of cycle will be_________________?
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MCQs:  In vapor compression refrigeration system, refrigerant occurs as liquid between_________________?
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