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 Humidification only Both heating and humidification Evaporative cooling Heating only Humidification only Both heating and humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. 70-80 30-40 90-100 44119 70-80 30-40 90-100 44119 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is used for the concentration of rubber latex? Short tube evaporator Calendria Long tube vertical evaporator Agitated film evaporator Short tube evaporator Calendria Long tube vertical evaporator Agitated film evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Neither A nor B Both A & B Increase in air humidity Decrease in air temperature Neither A nor B Both A & B Increase in air humidity Decrease in air temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pore size of the molecular seive 5A is __________ mm. 50 0.05 0.5 5 50 0.05 0.5 5 ANSWER DOWNLOAD EXAMIANS APP