Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Dry bulb depression Degree of saturation Dew point depression Wet bulb depression Dry bulb depression Degree of saturation Dew point depression Wet bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Is immaterial Increases heat transfer rate Can be avoided by proper design Results in loss of heat due to poor heat transfer Is immaterial Increases heat transfer rate Can be avoided by proper design Results in loss of heat due to poor heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-22 R-11 R-12 Ammonia R-22 R-11 R-12 Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because It considerably reduces mass of the system It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It leads to significant cost reduction It considerably reduces mass of the system It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It leads to significant cost reduction ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The Freon group of refrigerants are Inorganic refrigerants Hydrocarbon refrigerants Halocarbon refrigerants Zoetrope refrigerants Inorganic refrigerants Hydrocarbon refrigerants Halocarbon refrigerants Zoetrope refrigerants ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as Effective temperature Dew point temperature Mean radiant temperature None of the listed here Effective temperature Dew point temperature Mean radiant temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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