Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the All of these Enthalpy increase in compressor Work done by compressor Heat of compression All of these Enthalpy increase in compressor Work done by compressor Heat of compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Fluorine Carbon dioxide Sulphur dioxide Ammonia Fluorine Carbon dioxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Carnot cycle Rankine’s cycle Brayton cycle Reversed Carnot cycle Carnot cycle Rankine’s cycle Brayton cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Wet vapour High pressure saturated liquid Dry vapour Very wet vapour Wet vapour High pressure saturated liquid Dry vapour Very wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Corrosion of steel plates Restriction to refrigerant flow Freezing at the expansion valve All of these Corrosion of steel plates Restriction to refrigerant flow Freezing at the expansion valve All of these ANSWER DOWNLOAD EXAMIANS APP
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