Mass Transfer A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. 90-100 30-40 44119 70-80 90-100 30-40 44119 70-80 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large free cross-section Large weight of liquid retained Low weight per unit volume Large surface per unit volume Large free cross-section Large weight of liquid retained Low weight per unit volume Large surface per unit volume ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Temperature always increases Temperature remains unaffected Operating line always lies above the equilibrium curve Operating line always lies below the equilibrium curve Temperature always increases Temperature remains unaffected Operating line always lies above the equilibrium curve Operating line always lies below the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is An irreversible phenomenon A reversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat An irreversible phenomenon A reversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Flow rate of gas None of the listed here Heat gain or loss Flow rate of entering liquid Flow rate of gas None of the listed here Heat gain or loss Flow rate of entering liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Both A & B Time of contact between the solid and the solution Vapour pressure of the solution Rate of diffusion of the solute through the solid and into the liquid Both A & B Time of contact between the solid and the solution Vapour pressure of the solution Rate of diffusion of the solute through the solid and into the liquid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS