Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 0.2 6 5 1.2 0.2 6 5 1.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Steel Aluminium Copper Brass Steel Aluminium Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 3.72 kW 1.86 kW 18.6 kW 7.44 kW 3.72 kW 1.86 kW 18.6 kW 7.44 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Smelling Halide torch which on detection produces greenish flame lighting Using reagents Sulphur sticks which on detection gives white smoke Smelling Halide torch which on detection produces greenish flame lighting Using reagents Sulphur sticks which on detection gives white smoke ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 24 hours In 1 minute In 12 hours In 1 hour In 24 hours In 1 minute In 12 hours In 1 hour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -75.2°C -135.8°C -56.6°C -77.7°C -75.2°C -135.8°C -56.6°C -77.7°C ANSWER DOWNLOAD EXAMIANS APP
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