Refrigeration and Air Conditioning Carbon dioxide is Non-flammable All of the listed here Odourless Colourless Non-flammable All of the listed here Odourless Colourless ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by ( O.P.)P = ( O.P.)P = ( O.P.)R + 1 O.P)R O.P)R - 1 O.P.)R + 2 ( O.P)P = ( ( O.P)P = ( ( ( O.P.)P = ( O.P.)P = ( O.P.)R + 1 O.P)R O.P)R - 1 O.P.)R + 2 ( O.P)P = ( ( O.P)P = ( ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Increases power consumption Reduces power consumption Increases heat transfer Improves C.O.P. of the system Increases power consumption Reduces power consumption Increases heat transfer Improves C.O.P. of the system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature Remains constant Decreases Increases None of these Remains constant Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Lower than atmospheric pressure Higher than atmospheric pressure Could be anything Equal to atmospheric pressure Lower than atmospheric pressure Higher than atmospheric pressure Could be anything Equal to atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to Raise the temperature of the refrigerant All of these Circulate the refrigerant through the refrigerating system Raise the pressure of the refrigerant Raise the temperature of the refrigerant All of these Circulate the refrigerant through the refrigerating system Raise the pressure of the refrigerant ANSWER DOWNLOAD EXAMIANS APP