Refrigeration and Air Conditioning The COP of a domestic refrigerator Is equal to 1 Depends upon the make Is more than 1 Is less than 1 Is equal to 1 Depends upon the make Is more than 1 Is less than 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 + (1/C.O.P) 1 - (1/C.O.P) 1 - C.O.P. 1 + C.O.P 1 + (1/C.O.P) 1 - (1/C.O.P) 1 - C.O.P. 1 + C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is Low boiling point High critical temperature All of these High latent heat of vaporisation Low boiling point High critical temperature All of these High latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? Ammonia R-12 R-11 R-22 Ammonia R-12 R-11 R-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Higher in winter than in summer Not dependent on season Same in winter and summer Lower in winter than in summer Higher in winter than in summer Not dependent on season Same in winter and summer Lower in winter than in summer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Equal to unity Always more than unity Any one of the above Always less than unity Equal to unity Always more than unity Any one of the above ANSWER DOWNLOAD EXAMIANS APP