Refrigeration and Air Conditioning The evaporator used in household refrigerators is Defrosting evaporator Non-frosting evaporator None of these Frosting evaporator Defrosting evaporator Non-frosting evaporator None of these Frosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of High heat transfer rate Higher coefficient of performance Low temperature at high altitudes Low weight per tonne of refrigeration High heat transfer rate Higher coefficient of performance Low temperature at high altitudes Low weight per tonne of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be Any value Optimum High Low Any value Optimum High Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Saturated liquid Dry saturated vapour Wet vapour Superheated vapour Saturated liquid Dry saturated vapour Wet vapour Superheated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 1: 1 9: 1 1: 9 1: 3 1: 1 9: 1 1: 9 1: 3 ANSWER DOWNLOAD EXAMIANS APP
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