Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Always more than unity Equal to unity Any one of the above Always less than unity Always more than unity Equal to unity Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Large displacements and low condensing pressures Large displacements and high condensing pressures Small displacements and low condensing pressures Small displacements and high condensing pressures Large displacements and low condensing pressures Large displacements and high condensing pressures Small displacements and low condensing pressures Small displacements and high condensing pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Same Very low High Low Same Very low High Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The air cooling system mostly used in transport type aircrafts is Simple evaporative air cooling system Simple air cooling system Bootstrap air cooling system All of the listed here Simple evaporative air cooling system Simple air cooling system Bootstrap air cooling system All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 15°C 10°C 5°C 20°C 15°C 10°C 5°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Sulphur dioxide R-12 Carbon dioxide Ammonia Sulphur dioxide R-12 Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
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