Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? None of the listed here Vapour absorption cycle Air refrigeration cycle Vapour compression cycle None of the listed here Vapour absorption cycle Air refrigeration cycle Vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic compression process Isentropic expansion process Constant pressure expansion process Constant pressure cooling process Isentropic compression process Isentropic expansion process Constant pressure expansion process Constant pressure cooling process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-12 R-22 R-11 Ammonia R-12 R-22 R-11 Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Simple air cooling system Regenerative air cooling system Bootstrap air cooling system Reduced ambient air cooling system Simple air cooling system Regenerative air cooling system Bootstrap air cooling system Reduced ambient air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Ammonia Water Aqua-ammonia Freon Ammonia Water Aqua-ammonia Freon ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-12 R-22 R-11 Ammonia R-12 R-22 R-11 Ammonia ANSWER DOWNLOAD EXAMIANS APP