Mass Transfer In steam distillation, the Temperature is higher than the boiling point of either component Temperature is more than 100° C Temperature is 100°C Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is more than 100° C Temperature is 100°C Product must be immiscible with water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? Composition of the entering liquid Terminal concentrations of gas stream None of these Flow rate of the entering gas Composition of the entering liquid Terminal concentrations of gas stream None of these Flow rate of the entering gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Pulse column Bubble plate column Packed column (with stacked packing) Packed column (with dumped packing) Pulse column Bubble plate column Packed column (with stacked packing) Packed column (with dumped packing) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 21.7 27.3 20 18.7 21.7 27.3 20 18.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = 2a₂ a₁ = 0.5 a₂ None of these a₁ = a₂ a₁ = 2a₂ a₁ = 0.5 a₂ None of these a₁ = a₂ ANSWER DOWNLOAD EXAMIANS APP
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