Mass Transfer A slurry is to be dried to produce flaky solid. Which dryer would you recommend? Rotary dryer Drum dryer Dielectric dryer Spray dryer Rotary dryer Drum dryer Dielectric dryer Spray dryer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S < 1 S = 1 S > 1 S = ∞ S < 1 S = 1 S > 1 S = ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Batch tray dryers suffers from the disadvantage of High labour cost & low heat economy All of the listed here Non-uniform & low production rate High maintenance cost High labour cost & low heat economy All of the listed here Non-uniform & low production rate High maintenance cost ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases because of the None of the listed here Decreased viscosity of liquid Both Decreased viscosity of liquid & Increased diffusivity Increased diffusivity None of the listed here Decreased viscosity of liquid Both Decreased viscosity of liquid & Increased diffusivity Increased diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Degree of ideality of the solution Neither A nor B Viscosity with concentration Both A & B Degree of ideality of the solution Neither A nor B Viscosity with concentration Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reboiler load Increased reflux ratio Greater degree of separation with a fixed number of trays None of these Increased reboiler load Increased reflux ratio Greater degree of separation with a fixed number of trays None of these ANSWER DOWNLOAD EXAMIANS APP