Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant temperature lines Constant entropy lines Constant pressure lines Constant total heat lines Constant temperature lines Constant entropy lines Constant pressure lines Constant total heat lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condition of refrigerant after passing through the condenser in a vapour compression system is Wet vapour Dry saturated vapour Saturated liquid Superheated vapour Wet vapour Dry saturated vapour Saturated liquid Superheated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Vapour compression cycle Air refrigeration cycle None of the listed here Vapour absorption cycle Vapour compression cycle Air refrigeration cycle None of the listed here Vapour absorption cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is Heated and dehumidified Cooled and dehumidified Cooled and humidified Heated and humidified Heated and dehumidified Cooled and dehumidified Cooled and humidified Heated and humidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Increases heat transfer rate Is immaterial Results in loss of heat due to poor heat transfer Can be avoided by proper design Increases heat transfer rate Is immaterial Results in loss of heat due to poor heat transfer Can be avoided by proper design ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and water Water and lithium bromide Water and water Ammonia and lithium bromide Ammonia and water Water and lithium bromide Water and water Ammonia and lithium bromide ANSWER DOWNLOAD EXAMIANS APP
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