Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Steel Brass Aluminium Copper Steel Brass Aluminium Copper 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 Sub-cooling or under-cooling Super-cooling None of the listed here Normal cooling Sub-cooling or under-cooling Super-cooling None of the listed here Normal cooling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The central air conditioning system has ___________ overall efficiency as compared to individual systems. Higher Lower None of these Same Higher Lower None of these Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is less than 1 Is more than 1 Is equal to 1 Depends upon the make Is less than 1 Is more than 1 Is equal to 1 Depends upon the make ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P. Equally Less Unpredictable More Equally Less Unpredictable More ANSWER DOWNLOAD EXAMIANS APP