Refrigeration and Air Conditioning Critical pressure of a liquid is the pressure Above which liquid will remain liquid Above which liquid becomes vapour Above which liquid becomes solid Above which liquid becomes gas Above which liquid will remain liquid Above which liquid becomes vapour Above which liquid becomes solid Above which liquid becomes gas ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The value of C.O.P. is always greater than one None of the listed here The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The value of C.O.P. is always greater than one None of the listed here The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Relative humidity remains constant Wet bulb temperature increases Specific humidity increases Partial pressure of vapour remains constant Relative humidity remains constant Wet bulb temperature increases Specific humidity increases Partial pressure of vapour remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be All of these Dirty condenser surface Lack of cooling water Water temperature being high All of these Dirty condenser surface Lack of cooling water Water temperature being high ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be Equal High Small Anything Equal High Small Anything ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour Before passing through the condenser After passing through the condenser Before entering the compressor After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the compressor After passing through the expansion or throttle valve ANSWER DOWNLOAD EXAMIANS APP
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