Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Maximum work input Nearly same work input as for vapour compression cycle Very little work input Zero work input Maximum work input Nearly same work input as for vapour compression cycle Very little work input Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. Lower Higher None of these Same Lower Higher None of these Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Could be anything Lower than atmospheric pressure Equal to atmospheric pressure Higher than atmospheric pressure Could be anything Lower than atmospheric pressure Equal to atmospheric pressure Higher than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Sulphur dioxide Carbon dioxide Fluorine Ammonia Sulphur dioxide Carbon dioxide Fluorine Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be Above critical temperature Near critical temperature of refrigerant Much below critical temperature At critical Temperature Above critical temperature Near critical temperature of refrigerant Much below critical temperature At critical Temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheated vapour region, in a pressure enthalpy chart, is represented by the space Between the saturated liquid line and saturated vapour line To the left of saturated liquid line None of these To the right of saturated liquid line Between the saturated liquid line and saturated vapour line To the left of saturated liquid line None of these To the right of saturated liquid line ANSWER DOWNLOAD EXAMIANS APP