Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant entropy lines Constant total heat lines Constant temperature lines Constant pressure lines Constant entropy lines Constant total heat lines Constant temperature lines Constant pressure lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Absorption Direct Compression Indirect Absorption Direct Compression Indirect ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant temperature Takes place at constant entropy Takes place at constant pressure Involves no change in volume Takes place at constant temperature Takes place at constant entropy Takes place at constant pressure Involves no change in volume ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in summer air conditioning to cool and dehumidify the air, is called Heating and humidification Dehumidification Cooling and dehumidification Humidification Heating and humidification Dehumidification Cooling and dehumidification Humidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Constant pressure cooling process Constant pressure expansion process Isentropic expansion process Isentropic compression process Constant pressure cooling process Constant pressure expansion process Isentropic expansion process Isentropic compression process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator 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 Reduces power consumption Increases power consumption ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS