Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding None of these Pressure drop in the equipment will be very high Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding None of these Pressure drop in the equipment will be very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit of molal diffusivity is Gm moles/cm. sec Cm²/sec gm . mole Gm moles/cm². sec Gm moles/cm² . sec Gm moles/cm. sec Cm²/sec gm . mole Gm moles/cm². sec Gm moles/cm² . sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T² T³ √T T T² T³ √T T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of Low pressure drop on pumping Rapid absorption rates and good heat transfer characteristics All of these Improved flooding characteristics Low pressure drop on pumping Rapid absorption rates and good heat transfer characteristics All of these Improved flooding characteristics ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method? Both B and C Partial condenser Total condenser Reboiler Both B and C Partial condenser Total condenser Reboiler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Data insufficient, cannot be predicted Remains constant Increases Decreases Data insufficient, cannot be predicted Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS