Refrigeration and Air Conditioning A vapour absorption refrigeration system Requires little power consumption Gives noisy operation Gives quiet operation Cools below 0°C Requires little power consumption Gives noisy operation Gives quiet operation Cools below 0°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the Temperature of the evaporator Degree of superheat at exit from the evaporator None of these Pressure in the evaporator Temperature of the evaporator Degree of superheat at exit from the evaporator None of these Pressure in the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Dry bulb temperature of air Wet bulb temperature of air Ambient air temperature Dew point temperature of air Dry bulb temperature of air Wet bulb temperature of air Ambient air temperature Dew point temperature of air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.8 0.25 0.5 1.25 0.8 0.25 0.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called Degree of saturation Relative humidity Absolute humidity Humidity ratio Degree of saturation Relative humidity Absolute humidity Humidity ratio ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Mixture of ice and water under equilibrium conditions Ice at 4°C Solid and dry ice Water at 0°C Mixture of ice and water under equilibrium conditions Ice at 4°C Solid and dry ice Water at 0°C ANSWER DOWNLOAD EXAMIANS APP