Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Evaporative cooling Heating only Both heating and humidification Humidification only Evaporative cooling Heating only Both heating and humidification Humidification only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the feed to a distillation column is a saturated liquid, slope of the feed line is Zero Unity Infinity None of these Zero Unity Infinity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter of raschig rings used in packed tower in industry is normally around __________ inches. 18 8 2 12 18 8 2 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 150 7 0.7 70 150 7 0.7 70 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre. Strength Electrical resistance None of the listed here Thermal conductivity Strength Electrical resistance None of the listed here Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 1 100 10 5 1 100 10 5 ANSWER DOWNLOAD EXAMIANS APP
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