Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases, May be higher or lower depending upon the nature of non-condensable gases Will be higher Will remain unaffected Will be lower May be higher or lower depending upon the nature of non-condensable gases Will be higher Will remain unaffected Will be lower ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -95.2°C -135.8°C -86.6°C -107.7°C -95.2°C -135.8°C -86.6°C -107.7°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Reversed Carnot cycle Rankine’s cycle Brayton cycle Carnot cycle Reversed Carnot cycle Rankine’s cycle Brayton cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Freezing at the expansion valve Corrosion of steel plates Restriction to refrigerant flow All of these Freezing at the expansion valve Corrosion of steel plates Restriction to refrigerant flow All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as None of the listed here Dew point temperature Mean radiant temperature Effective temperature None of the listed here Dew point temperature Mean radiant temperature Effective temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS