Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Carbon dioxide Ammonia Sulphur dioxide Fluorine Carbon dioxide Ammonia Sulphur dioxide Fluorine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Weak solution mixes with strong solution Ammonia vapour is driven out of solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution Ammonia vapour is driven out of solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Sulphur sticks Soap and water Halide torch All of these Sulphur sticks Soap and water Halide torch All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Condensing temperature in a refrigerator is the temperature Of evaporator Of freezing zone At which refrigerant gas becomes liquid Of cooling medium Of evaporator Of freezing zone At which refrigerant gas becomes liquid Of cooling medium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -77.7°C -30°C -10.5°C -33.3°C -77.7°C -30°C -10.5°C -33.3°C ANSWER DOWNLOAD EXAMIANS APP
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