Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be None of the listed here Negative Zero Positive None of the listed here Negative Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The horizontal and non-uniformly spaced lines on a psychrometric chart indicates Dry bulb temperature Dew point temperature Wet bulb temperature Specific humidity Dry bulb temperature Dew point temperature Wet bulb temperature Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that All of these It permits higher speeds to be used It permits complete evaporation in the evaporator It results in high volumetric and mechanical efficiency All of these It permits higher speeds to be used It permits complete evaporation in the evaporator It results in high volumetric and mechanical efficiency 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) 1/ B.P.F. 1 + B.P.F. P.F. - 1 1 - B. P.F. 1/ B.P.F. 1 + B.P.F. P.F. - 1 1 - B. P.F. ANSWER DOWNLOAD EXAMIANS APP
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 5 1.2 6 0.2 5 1.2 6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Ambient air temperature Dew point temperature of air Wet bulb temperature of air Dry bulb temperature of air Ambient air temperature Dew point temperature of air Wet bulb temperature of air Dry bulb temperature of air ANSWER DOWNLOAD EXAMIANS APP
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