Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency May increase or decrease ; depends on individual design Decreases Remains same Increases May increase or decrease ; depends on individual design Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture. Unbound Critical Free Bound Unbound Critical Free Bound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Both A & B Provides poorer contact between the fluids Gives higher pressure drop Gives lower pressure drop Both A & B Provides poorer contact between the fluids Gives higher pressure drop Gives lower pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The McCabe Δ L law states that the Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the crystal size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/a Dependent on the Reynolds number Proportional to √D D/2a D/a Dependent on the Reynolds number Proportional to √D D/2a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Both liquids can have any desired flow rate Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Liquid's flow rate depends upon the temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
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