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February 2019

For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause ______________ plate requirement?

Mass Transfer /
For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause ______________ plate requirement?

A. No change in theoretical
B. Marginal decrease in the number of
C. Major decrease in the number of
D. None of these

For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause ______________ plate requirement? Read More »

Mass Transfer

In a gas-liquid absorption column, for obtaining the maximum absorption efficiency___________________?

Mass Transfer /
In a gas-liquid absorption column, for obtaining the maximum absorption efficiency___________________?

A. Liquid stream should be distributed uniformly
B. Gas stream should be distributed uniformly
C. Both gas as well as liquid streams should be distributed uniformly
D. By passing should be completely avoided

In a gas-liquid absorption column, for obtaining the maximum absorption efficiency___________________? Read More »

Mass Transfer

Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of _______________ humidity?

Mass Transfer /
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of _______________ humidity?

A. Molal
B. Relative
C. Percentage
D. None of these

Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of _______________ humidity? Read More »

Mass Transfer

For a ternary mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a ____________ of the equilateral triangular co-ordinates?

Mass Transfer /
For a ternary mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a ____________ of the equilateral triangular co-ordinates?

A. Binary mixture is represented by the apex
B. Binary mixture is represented by any point inside
C. Ternary mixture is represented by the sides
D. Pure component is represented by the apex

For a ternary mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a ____________ of the equilateral triangular co-ordinates? Read More »

Mass Transfer