Mass Transfer MCQs
Practice free Mass Transfer multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 681 questions — no login required.
Question 667easy
The value of $$\frac{{{{\text{N}}_{\text{A}}}}}{{{{\text{N}}_{\text{A}}} + {{\text{N}}_{\text{B}}}}},$$ for steady state equimolal counter diffusion of two gases 'A' and 'B' is
Question 668easy
With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible.
Question 669easy
In a distillation column, with increase in the reflux ratio, the heat removed in the cooler
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Question 670easy
In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as
Question 671easy
For gas absorption, low viscosity solvents are preferred, because of their
Question 672easy
Mass transfer co-efficient is directly proportional to DAB according to the __________ theory.
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Question 673easy
Which of the following quantities need not be fixed before starting the design of a co-current absorber?
Question 674easy
At what value of reflux ratio, number of theoretical plates in a distillation column is minimum?
Question 675easy
Dorr thickener is an equipment used for