Mass Transfer The McCabe Δ L law states that the Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the crystal size Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the crystal size Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size 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 √(KL².DA) KL/DA² KL².DA KL²/DA √(KL².DA) KL/DA² KL².DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air at a particular humidity is heated in a furnace. The new dew point Increases Decreases Remain unchanged Depends on the extent of heating Increases Decreases Remain unchanged Depends on the extent of heating ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but the air flow rate should be excessively high No Yes Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high No Yes Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Provides poorer contact between the fluids Both A & B Gives lower pressure drop Gives higher pressure drop Provides poorer contact between the fluids Both A & B Gives lower pressure drop Gives higher pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two or more components of a liquid solution can not be achieved by Fractional crystallisation Liquid extraction Evaporation Absorption Fractional crystallisation Liquid extraction Evaporation Absorption ANSWER DOWNLOAD EXAMIANS APP
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