Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Ratio of the insoluble to solution is constant Neither A nor B Both A & B Solids are drained to the same extent Ratio of the insoluble to solution is constant Neither A nor B Both A & B Solids are drained to the same extent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Total reflux All of these Constant relative volatility Constant molal overflow Total reflux All of these Constant relative volatility Constant molal overflow ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by None of these Increasing the air velocity over the wet surfaces Reducing the humidity of entering air Lowering the barometric pressure None of these Increasing the air velocity over the wet surfaces Reducing the humidity of entering air Lowering the barometric pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Methyl alcohol-acetone None of these Water-alcohol Butyl acetate-water Methyl alcohol-acetone None of these Water-alcohol Butyl acetate-water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Antibiotics are best handled in a Rotating disc contactor Podbielniak extractor Sieve tray contractor Pulsed column extractor Rotating disc contactor Podbielniak extractor Sieve tray contractor Pulsed column extractor 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 KL².DA KL/DA² √(KL².DA) KL²/DA KL².DA KL/DA² ANSWER DOWNLOAD EXAMIANS APP
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