Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.8 0.5 0.25 1.25 0.8 0.5 0.25 1.25 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 1.86 kW 18.6 kW 7.44 kW 3.72 kW 1.86 kW 18.6 kW 7.44 kW 3.72 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Halide torch which on detection produces greenish flame lighting Using reagents Smelling Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Using reagents Smelling Sulphur sticks which on detection gives white smoke ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton refrigeration corresponds to 80 kcal/ hr 50 kcal/ hr 80 kcal/ min 50 kcal/ min 80 kcal/ hr 50 kcal/ hr 80 kcal/ min 50 kcal/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Toxic and non-inflammable Non-inflammable Non-toxic Highly toxic and inflammable Toxic and non-inflammable Non-inflammable Non-toxic Highly toxic and inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when It is not affected by the moisture present in the air The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air None of these It is not affected by the moisture present in the air The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air None of these ANSWER DOWNLOAD EXAMIANS APP
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