Refrigeration and Air Conditioning Ammonia is Non-inflammable Non-toxic Toxic and non-inflammable Highly toxic and inflammable Non-inflammable Non-toxic Toxic and non-inflammable Highly toxic and inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in winter air-conditioning to warm and humidity the air, is called Dehumidification Cooling and dehumidification Heating and humidification Humidification Dehumidification Cooling and dehumidification Heating and humidification Humidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) P.F. - 1 1/ B.P.F. 1 - B. P.F. 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B. P.F. 1 + B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. None of the listed here Same as Lower than Higher than None of the listed here Same as Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 2.33 1.33 3.33 4.33 2.33 1.33 3.33 4.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Low High Same Very low Low High Same Very low ANSWER DOWNLOAD EXAMIANS APP
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