Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Same in winter and summer Lower in winter than in summer Not dependent on season Higher in winter than in summer Same in winter and summer Lower in winter than in summer Not dependent on season Higher in winter than in summer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant pressure Involves no change in volume Takes place at constant entropy Takes place at constant temperature Takes place at constant pressure Involves no change in volume Takes place at constant entropy Takes place at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid Before entering the expansion valve After passing through the expansion or throttle valve After passing through the condenser Before passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve After passing through the condenser Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An important characteristic of absorption system of refrigeration is very little power consumption quiet operation noisy operation cooling below 0°C very little power consumption quiet operation noisy operation cooling below 0°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is T₁/(T₂ - T₁) (T₂ - T₁)/T₁ T₂/(T₂ - T₁) (T₁ - T₂)/T₁ T₁/(T₂ - T₁) (T₂ - T₁)/T₁ T₂/(T₂ - T₁) (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? All of the listed here The wet bulb temperature is a measure of enthalpy of moist air The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb and dry bulb temperature are equal at saturation condition All of the listed here The wet bulb temperature is a measure of enthalpy of moist air The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb and dry bulb temperature are equal at saturation condition ANSWER DOWNLOAD EXAMIANS APP
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