Mass Transfer Fractional solvent extraction Employs only one solvent None of the listed here Employs two solvents Results in low interfacial tension Employs only one solvent None of the listed here Employs two solvents Results in low interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. 50 Between 0 and 100 100 50 Between 0 and 100 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases and liquids vary respectively as √T and T3/2 T and T3/2 T3/2 and T T3/2 and √T √T and T3/2 T and T3/2 T3/2 and T T3/2 and √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high Yes No Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P < P P = P P P >>P P < P P = P P P >>P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Both liquids can have any desired flow rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure Only one of the liquids may be pumped at any desired rate Both liquids can have any desired flow rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure Only one of the liquids may be pumped at any desired rate ANSWER DOWNLOAD EXAMIANS APP