Refrigeration and Air Conditioning Carbon dioxide is Colourless All of the listed here Odourless Non-flammable Colourless All of the listed here Odourless Non-flammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-12 R-11 R-22 Ammonia R-12 R-11 R-22 Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Much above critical pressure Critical pressure of refrigerant Much below critical pressure Near critical pressure Much above critical pressure Critical pressure of refrigerant Much below critical pressure Near critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Non-inflammable Highly toxic and inflammable Toxic and non-inflammable Non-toxic Non-inflammable Highly toxic and inflammable Toxic and non-inflammable Non-toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Reversed Carnot Reversed Rankine Carnot Rankine Reversed Carnot Reversed Rankine Carnot Rankine ANSWER DOWNLOAD EXAMIANS APP