Mass Transfer Gaseous diffusion co-efficient increases with increase in the None of the listed here Both Pressure & Temperature Pressure Temperature None of the listed here Both Pressure & Temperature Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Normally not; but is possible if infinite number of plates are put Yes Yes ; if the reflux ratio is maximum Never Normally not; but is possible if infinite number of plates are put Yes Yes ; if the reflux ratio is maximum Never ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Is of low volatility Forms a low boiling azeotrope Does not alter the relative volatility of the original components Forms a high boiling azeotrope Is of low volatility Forms a low boiling azeotrope Does not alter the relative volatility of the original components Forms a high boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction Employs two solvents None of the listed here Employs only one solvent Results in low interfacial tension Employs two solvents None of the listed here Employs only one solvent Results in low interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.017 0.215 0.31 0.107 0.017 0.215 0.31 0.107 ANSWER DOWNLOAD EXAMIANS APP
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