Practice Separation Processes Basic Multiple Choice Questions with Answers Quiz-1 - MCQGeeks.com

Q.1.

Which of the following is not true about membrane separations?

a) Components which are passed through the membrane is called permeate
b) Components which are not passed through are called retentate
c) Non-porous membrane is never used
d) Membrane separations require a driving force

Explanation

Q.2.

What is the driving force in Microfiltration?

a) Pressure difference
b) Pervaporation
c) Difference in fugacity
d) Concentration difference

Explanation

Q.3.

What is the driving force in Dialysis?

a) Pressure difference
b) Pervaporation
c) Difference in fugacity
d) Concentration difference

Explanation

Q.4.

What is the driving force in pervaporation?

a) Pressure difference
b) Activity difference
c) Difference in fugacity
d) Concentration difference

Explanation

Q.5.

What is the driving force in gas separation?

a) Pressure difference
b) Pervaporation
c) Difference in fugacity
d) Concentration difference

Explanation

Q.6.

The selection of membrane does not depend on which property?

a) Pore size distribution
b) Water permeability
c) Perporometry
d) Film thickness formed

Explanation

Q.7.

What is the bubble point method used for?

a) To determine the pore size distribution
b) To determine size of all pores
c) To determine size of largest pore
d) To determine membrane thickness

Explanation

Q.8.

What is perporometry used for?

a) To determine the size distribution of active pores
b) To determine the size distribution of the dead pores
c) To determine the size distribution of the membrane
d) To see the permeability of the solvent through the membrane

Explanation

Q.9.

How is the resistance to solvent flow determined?

a) By measuring pore size distribution
b) By measuring amount of air passing
c) By measuring the volume of solvent passed after a certain time
d) By calculating water permeability

Explanation

Q.10.

What is the advantage of track etching?

a) Pores are large
b) Narrow size distribution
c) Dense membrane
d) Less expensive

Explanation