Mass Transfer For a binary mixture with low relative volatility, Use molecular distillation An azeotrope may be formed during distillation Use high pressure distillation Use steam distillation Use molecular distillation An azeotrope may be formed during distillation Use high pressure distillation Use steam distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Dependent on the system; can be either lower or higher than Always higher than Same as Always lower than Dependent on the system; can be either lower or higher than Always higher than Same as Always lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 100 500 50 1000 100 500 50 1000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method? Partial condenser Reboiler Total condenser Both B and C Partial condenser Reboiler Total condenser Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T √T T3 T1.5 T √T T3 T1.5 ANSWER DOWNLOAD EXAMIANS APP
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