Mass Transfer Channelling is most severe In dumped packing of regular units In towers packed with stacked packing At very high liquid flow rate In towers packed randomly with crushed solids In dumped packing of regular units In towers packed with stacked packing At very high liquid flow rate In towers packed randomly with crushed solids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Both B and C Partial pressure of vapour Relative humidity Wet bulb temperature Both B and C Partial pressure of vapour Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) T vs . P Log P vs. log T Log P vs . T P vs . log T T vs . P Log P vs. log T Log P vs . T P vs . log T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Coating the product with inert material Maintaining high critical humidity Maintaining low critical humidity Both A and C Coating the product with inert material Maintaining high critical humidity Maintaining low critical humidity Both A and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is 0.56 1.56 2 1 0.56 1.56 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A slurry is to be dried to produce flaky solid. Which dryer would you recommend? Dielectric dryer Drum dryer Rotary dryer Spray dryer Dielectric dryer Drum dryer Rotary dryer Spray dryer ANSWER DOWNLOAD EXAMIANS APP
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