Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 26°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 50% RH 20°C DBT and 60% RH 26°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 50% RH 20°C DBT and 60% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Increases C.O.P Decreases C.O.P O.P remains unaltered Other factors decide C.O.P Increases C.O.P Decreases C.O.P O.P remains unaltered Other factors decide C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In Electrolux refrigerator Ammonia is absorbed in water Ammonia is absorbed in hydrogen Ammonia evaporates in hydrogen Hydrogen evaporates in ammonia Ammonia is absorbed in water Ammonia is absorbed in hydrogen Ammonia evaporates in hydrogen Hydrogen evaporates in ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant total heat lines Constant temperature lines Constant entropy lines Constant pressure lines Constant total heat lines Constant temperature lines Constant entropy lines Constant pressure lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour After passing through the condenser Before passing through the condenser After passing through the expansion or throttle valve Before entering the compressor After passing through the condenser Before passing through the condenser After passing through the expansion or throttle valve Before entering the compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called Normal cooling Super-cooling None of the listed here Sub-cooling or under-cooling Normal cooling Super-cooling None of the listed here Sub-cooling or under-cooling ANSWER DOWNLOAD EXAMIANS APP