Explore topic-wise MCQs in Separation Processes.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the significance of fanning friction factor?

A. It is the ratio of pipe wall shear stress to velocity head
B. It is drag force divided by projected area and velocity head
C. It is the ratio of inertial forces to viscous force
D. It is the ratio of inertial force to surface tension force
Answer» B. It is drag force divided by projected area and velocity head
Discussion
2.

For what condition does the equation for reynold’s analogy equals to equation by Chilton-colburn analogy.

A. Npr=Nre=1
B. Npr=Nse=1
C. Npr=Nsc=1
D. Nsc=Nse=1
Answer» D. Nsc=Nse=1
Discussion
3.

Which of the following equations is referred as reynold’s analogy?

A. f/c = kc/ux
B. f/c = kcux
C. f/2 = kcux
D. f/2 = kc/ux
Answer» E.
Discussion
4.

What is the physical significance of lewis number?

A. It is the ratio of bulk transfer mass and molecular diffusion
B. It is the ratio of thermal diffusivity to mass diffusivity
C. It is the ratio of conductive mass transfer to molecular diffusion
D. It is the ratio of mass transfer to mass capacity
Answer» C. It is the ratio of conductive mass transfer to molecular diffusion
Discussion
5.

Which of the following reynold’s number represents a turbulent flow?

A. 500
B. 700
C. 2500
D. 6000
Answer» E.
Discussion
6.

FOR_WHAT_CONDITION_DOES_THE_EQUATION_FOR_REYNOLD‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_ANALOGY_EQUALS_TO_EQUATION_BY_CHILTON-COLBURN_ANALOGY.?$#

A. N<sub>pr</sub>=N<sub>re</sub>=1
B. N<sub>pr</sub>=N<sub>se</sub>=1
C. N<sub>pr</sub>=N<sub>sc</sub>=1
D. N<sub>sc</sub>=N<sub>se</sub>=1
Answer» D. N<sub>sc</sub>=N<sub>se</sub>=1
Discussion
7.

What_is_the_significance_of_fanning_friction_factor?$

A. It is the ratio of pipe wall shear stress to velocity head
B. It is drag force divided by projected area and velocity head
C. It is the ratio of inertial forces to viscous force
D. It is the ratio of inertial force to surface tension force
Answer» B. It is drag force divided by projected area and velocity head
Discussion
8.

Which of the following equations is referred as reynold’s analogy?#

A. f/c = k<sub>c</sub>/u<sub>x</sub>
B. f/c = k<sub>c</sub>u<sub>x</sub>
C. f/2 = k<sub>c</sub>u<sub>x</sub>
D. f/2 = k<sub>c</sub>/u<sub>x</sub>
Answer» E.
Discussion
9.

What is the Sherwood number analogous to?

A. Schmidt number
B. Lewis number
C. Nusselt number
D. Prandtl number
Answer» D. Prandtl number
Discussion
10.

What is the physical significance of weber number?

A. It is drag force divided by projected area and velocity head
B. It is the ratio of pipe wall shear stress and velocity head
C. It is the ratio of inertial forces to viscous force
D. It is the ratio of inertial force to surface tension force
Answer» E.
Discussion
11.

What is the physical significance of drag coefficient?

A. It is drag force divided by projected area and velocity head
B. It is the ratio of pipe wall shear stress and velocity head
C. It is the ratio of inertial forces to viscous force
D. It is the ratio of inertial force to surface tension force
Answer» B. It is the ratio of pipe wall shear stress and velocity head
Discussion
12.

Which of the following is present in turbulent flow mass transfer?

A. Slow mass transfer
B. Less mass transfer
C. Eddy currents
D. Eddy diffusion
Answer» E.
Discussion
13.

Which of the following reynold’s number represents a turbulent flow?$

A. 500
B. 700
C. 2500
D. 6000
Answer» E.
Discussion
14.

Which of the following is true about turbulent flow?

A. N<sub>re</sub> greater than 2000
B. N<sub>re</sub> greater than 4000
C. N<sub>re</sub> greater than 5000
D. N<sub>re</sub> greater than 6000
Answer» B. N<sub>re</sub> greater than 4000
Discussion