Refrigeration and Air Conditioning The freezing point of R-12 is -95.2°C -86.6°C -107.7°C -135.8°C -95.2°C -86.6°C -107.7°C -135.8°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system Ensures the evaporator completely filled with refrigerant of the load None of these Is suitable only for constant load systems Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load None of these Is suitable only for constant load systems Maintains different temperatures in evaporator in proportion to load ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour After passing through the expansion or throttle valve Before entering the compressor Before passing through the condenser After passing through the condenser After passing through the expansion or throttle valve Before entering the compressor Before passing through the condenser After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is ________ dew point temperature. Lower than None of these Same as Higher than Lower than None of these Same as Higher than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical pressure of a liquid is the pressure Above which liquid becomes vapour Above which liquid becomes solid Above which liquid will remain liquid Above which liquid becomes gas Above which liquid becomes vapour Above which liquid becomes solid Above which liquid will remain liquid Above which liquid becomes gas ANSWER DOWNLOAD EXAMIANS APP