Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Reduces power consumption Increases power consumption Increases heat transfer Improves C.O.P. of the system Reduces power consumption Increases power consumption Increases heat transfer Improves C.O.P. of the system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -135.8°C -77.7°C -75.2°C -56.6°C -135.8°C -77.7°C -75.2°C -56.6°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Is immaterial Increases heat transfer rate Can be avoided by proper design Results in loss of heat due to poor heat transfer Is immaterial Increases heat transfer rate Can be avoided by proper design Results in loss of heat due to poor heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant All of these Raise the pressure of the refrigerant Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant All of these Raise the pressure of the refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Very little work input Zero work input Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input Nearly same work input as for vapour compression cycle Maximum work input ANSWER DOWNLOAD EXAMIANS APP
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