Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Prandtl number Schmidt number Sherwood number Lewis number Prandtl number Schmidt number Sherwood number Lewis number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Gas absorption Binary distillation Adsorption Humidification Gas absorption Binary distillation Adsorption Humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 5 10 100 1 5 10 100 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is a suitable absorbent for removal of H₂S from natural gas? Dilute Monoethanol amine (MEA) Vetrocoke solution Hot water Dilute Monoethanol amine (MEA) Vetrocoke solution Hot water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively 0 and ≈ 1 < 1 and ≈ 1 >1 and ≈ 1 1 and 0 0 and ≈ 1 < 1 and ≈ 1 >1 and ≈ 1 1 and 0 ANSWER DOWNLOAD EXAMIANS APP