Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Neither A nor B Both A & B Gas Liquid Neither A nor B Both A & B Gas Liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent A binary mixture Partially miscible ternary system A pure component A ternary mixture A binary mixture Partially miscible ternary system A pure component A ternary mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) √(KL².DA) KL/DA² KL²/DA KL².DA √(KL².DA) KL/DA² KL²/DA KL².DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Wetted wall columns Packed towers Plate towers Spray towers Wetted wall columns Packed towers Plate towers Spray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reboiler is considered as one theoretical plate, because Vapour is recycled to the column Reboiler itself contains one plate None of these Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Vapour is recycled to the column Reboiler itself contains one plate None of these Of the assumption that vapour and liquid leaving the reboiler are in equilibrium ANSWER DOWNLOAD EXAMIANS APP
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