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 Proportional to √D D/a Dependent on the Reynolds number D/2a Proportional to √D D/a Dependent on the Reynolds number D/2a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency in a distillation column is reduced due to the __________ of liquid. Foaming All of these Weeping & dumping Entrainment Foaming All of these Weeping & dumping Entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is 0.5 < 1 > 1 1 0.5 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Does not vary May increase on decrease, depends on the system Decreases Increases Does not vary May increase on decrease, depends on the system Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases due to Increased diffusivity Decreased liquid viscosity Neither A nor B Both A & B Increased diffusivity Decreased liquid viscosity Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Equal to Lower than Higher than Either A or B, depends on the mixture composition Equal to Lower than Higher than Either A or B, depends on the mixture composition ANSWER DOWNLOAD EXAMIANS APP
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