Refrigeration and Air Conditioning The evaporator used in household refrigerators is Frosting evaporator None of these Defrosting evaporator Non-frosting evaporator Frosting evaporator None of these Defrosting evaporator Non-frosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It is toxic to mucous membranes. It reacts with copper and its alloys. All of these It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. It reacts with copper and its alloys. All of these It requires large displacement per TR compared to fluoro carbons. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A bootstrap air cooling system has Two heat exchangers Four heat exchangers Three heat exchangers One heat exchanger Two heat exchangers Four heat exchangers Three heat exchangers One heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 20°C 15°C 5°C 10°C 20°C 15°C 5°C 10°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -30°C -10.5°C -33.3°C -77.7°C -30°C -10.5°C -33.3°C -77.7°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by All of these Sulphur sticks Halide torch Soap and water All of these Sulphur sticks Halide torch Soap and water ANSWER DOWNLOAD EXAMIANS APP