Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Operating the machine at lower speeds Operating the machine at higher speeds Lowering the higher temperature Raising the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds Lowering the higher temperature Raising the higher temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? 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 All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Temperature, pressure and enthalpy Temperature, pressure, specific volume and enthalpy Temperature and enthalpy Specific volume and enthalpy Temperature, pressure and enthalpy Temperature, pressure, specific volume and enthalpy Temperature and enthalpy Specific volume and enthalpy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is None of these Zero Positive Negative None of these Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Superheating in a refrigeration cycle O.P remains unaltered Decreases C.O.P Other factors decide C.O.P Increases C.O.P O.P remains unaltered Decreases C.O.P Other factors decide C.O.P Increases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Increases heat transfer Increases power consumption Improves C.O.P. of the system Reduces power consumption Increases heat transfer Increases power consumption Improves C.O.P. of the system Reduces power consumption ANSWER DOWNLOAD EXAMIANS APP
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