Explore topic-wise MCQs in Distillation Design.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Distillation Design knowledge and support exam preparation. Choose a topic below to get started.

1.

A Pinch point may occur at intersection of feed line and

A. Stream line
B. Stripping line
C. Rectifying line
D. Equilibrium line
Answer» E.
Discussion
2.

If xD=0.95, xW= 0.04 and α=2.5. Find total trays?

A. 7
B. 6.7
C. 7.7
D. 6
Answer» C. 7.7
Discussion
3.

Slope of rectifying line is given by

A. R/XD
B. R/(R+1)
C. F/ (D+W)
D. R/(R+1)
Answer» C. F/ (D+W)
Discussion
4.

Calculate minimum reflux? If intercept is 0.56 and XD= 0.96

A. 0.174
B. 0.125
C. 0.21
D. 0.28
Answer» B. 0.125
Discussion
5.

If ZF=0.6 and also feed contains 72% mole of the liquid, then intercept of x axis is

A. 0.744
B. 0.899
C. 0.833
D. 1.2
Answer» D. 1.2
Discussion
6.

If ZF¬=0.58 and also feed contains 35% mole of the liquid, then intercept of y axis is

A. 0.892
B. 0.205
C. 0.707
D. Can’t be calculated
Answer» B. 0.205
Discussion
7.

If F= 200 kmol/h and ZF=0.4, XD=0.95, XW=0.04 and R=2.0, Then D is

A. 88.1
B. 22.6
C. 79.1
D. 158.2
Answer» D. 158.2
Discussion
8.

IF_XD=0.95,_XW=_0.04_AND_‚ÂÀ√≠¬¨¬±=2.5._FIND_TOTAL_TRAYS??$#

A. 7
B. 6.7
C. 7.7
D. 6
Answer» C. 7.7
Discussion
9.

A_Pinch_point_may_occur_at_intersection_of_feed_line_and$

A. Stream line
B. Stripping line
C. Rectifying line
D. Equilibrium line
Answer» E.
Discussion
10.

Slope of rectifying line is given b?

A. R/X<sub>D</sub>
B. R/(R+1)
C. F/ (D+W)
D. R/(R+1)
Answer» C. F/ (D+W)
Discussion
11.

Calculate minimum reflux? If intercept is 0.56 and XD= 0.96

A. 0.174
B. 0.125
C. 0.21
D. 0.28
Answer» B. 0.125
Discussion
12.

If ZF=0.6 and also feed contains 72% mole of the liquid, then intercept of x axis is

A. 0.744
B. 0.899
C. 0.833
D. 1.2
Answer» D. 1.2
Discussion
13.

If ZF¬=0.58 and also feed contains 35% mole of the liquid, then intercept of y axis is$

A. 0.892
B. 0.205
C. 0.707
D. Can’t be calculated
Answer» B. 0.205
Discussion
14.

Calculate Boil up? If vapor flow and bottom withdrawal are 237.3 and 120.9 respectively

A. 1.5
B. 2.9
C. 2.111
D. 1.963
Answer» E.
Discussion
15.

The very First step of McCabe method is?

A. Plot the equilibrium curve
B. Plot diagonal curve
C. Plot Operating line
D. Plot stripping line
Answer» B. Plot diagonal curve
Discussion
16.

If F= 200 kmol/h and ZF=0.4, XD=0.95, XW=0.04 and R=2.0, Then D is

A. 88.1
B. 22.6
C. 79.1
D. 158.2
Answer» D. 158.2
Discussion
17.

The component balance of the component A is given as

A. Fz<sub>F</sub>= Dx<sub>D</sub> + Wx<sub>w</sub>
B. Fz<sub>F</sub>= Dx<sub>D</sub> – Wx<sub>w</sub>
C. Fz<sub>F</sub>= Dx<sub>D</sub>/Wx<sub>w</sub>
D. Fz<sub>F</sub>= Dx<sub>D</sub> *Wx<sub>w</sub>
Answer» B. Fz<sub>F</sub>= Dx<sub>D</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® Wx<sub>w</sub>
Discussion