Mass Transfer

Steam distillation is used to__________________?

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Steam distillation is used to__________________?

A. Reduce the number of plates
B. Avoid thermal decomposition of a component
C. Increase the efficiency of separation
D. Increase the total pressure of distillation

Which of the following can be calculated theoretically using steam table and Dalton’s law of partial pressure; if the relative humidity and dry bulb temperature of moist air is known ?

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Which of the following can be calculated theoretically using steam table and Dalton’s law of partial pressure; if the relative humidity and dry bulb temperature of moist air is known ?

A. Dew point
B. Humidity ratio
C. Wet bulb temperature
D. None of these

In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL) as ___________________ ?

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In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL) as ___________________ ?

A. KG = 1/KG + m/KL
B. 1/KG = 1/KG + m/KL
C. 1/KG = 1/KL + m/KG
D. KG = 1/KL + m/KG

Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation ?

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Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation ?

A. Cost
B. Availability
C. Toxicity
D. Selectivity