Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Vacuum Short tube Long tube Falling film Vacuum Short tube Long tube Falling film 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 = 0.5 a₂ None of these a₁ = 2a₂ a₁ = a₂ a₁ = 0.5 a₂ None of these a₁ = 2a₂ a₁ = a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Heat sensitive materials High boiling substances from nonvolatile impurities Mixtures of low relative volatility Azeotropes Heat sensitive materials High boiling substances from nonvolatile impurities Mixtures of low relative volatility Azeotropes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Range is 15°F Approach is 10°F Both A & B Neither A nor B Range is 15°F Approach is 10°F Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require High reflux ratio Less number of trays Small cross-section column Low reflux ratio High reflux ratio Less number of trays Small cross-section column Low reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the amount of the steam used in steam distillation is increased, the temperature of distillation Depends on relative volatility Increases Decreases Remains unchanged Depends on relative volatility Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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