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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice

In 12 hours
In 1 minute
In 1 hour
In 24 hours

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Refrigeration and Air Conditioning
Chaperon equation is a relation between

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

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Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is

High pressure saturated liquid
Wet vapour
Very wet vapour
Dry vapour

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Refrigeration and Air Conditioning
Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system

Ammonia vapours to weak solution
Strong solution to ammonia vapour
Weak solution to strong solution
Strong solution to weak solution

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Refrigeration and Air Conditioning
The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents

Metering of the refrigerant liquid
Compression of the refrigerant vapour
Evaporation of the refrigerant liquid
Condensation of the refrigerant vapour

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

Entropy lines
Pressure lines
Temperature lines
Total heat lines

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MORE MCQ ON Refrigeration and Air Conditioning

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