Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator 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 Is immaterial Increases heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Low boiling point Large latent heat Good electrical conductor High risibility with oil Low boiling point Large latent heat Good electrical conductor High risibility with oil ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and lithium bromide Water and lithium bromide Ammonia and water Water and water Ammonia and lithium bromide Water and lithium bromide Ammonia and water Water and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Critical pressure Suction pressure Back pressure Discharge pressure Critical pressure Suction pressure Back pressure Discharge pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner. Less None of these Same More Less None of these Same More ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to 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 Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant ANSWER DOWNLOAD EXAMIANS APP
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