Refrigeration and Air Conditioning A refrigeration system Removes heat from a low temperature body and delivers it to a high temperature body Rejects energy to a low temperature body Removes heat from a high temperature body and delivers it to a low temperature body None of the listed here Removes heat from a low temperature body and delivers it to a high temperature body Rejects energy to a low temperature body Removes heat from a high temperature body and delivers it to a low temperature body None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Reduces power consumption Increases power consumption 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be High Anything Equal Small High Anything Equal Small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is more than 1 Is less than 1 Depends upon the make Is equal to 1 Is more than 1 Is less than 1 Depends upon the make Is equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Much below critical pressure Much above critical pressure Critical pressure of refrigerant Near critical pressure Much below critical pressure Much above critical pressure Critical pressure of refrigerant Near critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Nearly same work input as for vapour compression cycle Zero work input Very little work input Maximum work input Nearly same work input as for vapour compression cycle Zero work input Very little work input Maximum work input ANSWER DOWNLOAD EXAMIANS APP