Refrigeration and Air Conditioning The curved lines on a psychrometric chart indicates Dry bulb temperature Relative humidity Dew point temperature Wet bulb temperature Dry bulb temperature Relative humidity Dew point temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Otto cycle Reversed Brayton cycle Reversed Joule cycle Reversed Carnot cycle Reversed Otto cycle Reversed Brayton cycle Reversed Joule cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Equal to unity Always less than unity Any one of the above Always more than unity Equal to unity Always less than unity Any one of the above Always more than unity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has Two cooling turbines and two heat exchangers One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger One cooling turbine and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger One cooling turbine and one heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the Pressure in the evaporator Degree of superheat at exit from the evaporator None of these Temperature of the evaporator Pressure in the evaporator Degree of superheat at exit from the evaporator None of these Temperature of the evaporator ANSWER DOWNLOAD EXAMIANS APP
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