Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Miniature sealed unit Centrifugal Piston type reciprocating Axial Miniature sealed unit Centrifugal Piston type reciprocating Axial ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 25 kJ/kg 100 kJ/kg 125 kJ/kg 50 kJ/kg 25 kJ/kg 100 kJ/kg 125 kJ/kg 50 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Superheating in a refrigeration cycle 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 O.P remains unaltered Decreases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheated vapour region, in a pressure enthalpy chart, is represented by the space None of these Between the saturated liquid line and saturated vapour line To the right of saturated liquid line To the left of saturated liquid line None of these Between the saturated liquid line and saturated vapour line To the right of saturated liquid line To the left of saturated liquid line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called Wet bulb temperature Dry bulb temperature Dew point temperature None of these Wet bulb temperature Dry bulb temperature Dew point temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 20°C DBT and 60% RH 20°C DBT and 50% RH 26°C DBT and 50% RH 26°C DBT and 60% RH 20°C DBT and 60% RH 20°C DBT and 50% RH 26°C DBT and 50% RH 26°C DBT and 60% RH ANSWER DOWNLOAD EXAMIANS APP
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