Process Equipment and Plant Design MCQs

Question 1

For high pressure process equipments/vessels, the connected nozzle should be

Accepted Answer

Flanged

Answer

Welded

Answer

Screwed

Answer

Brazed

Question 2

Diameter of the seive tray column is determined by the

Accepted Answer

Upper limit of the vapour velocity

Answer

Lower limit of vapour velocity

Answer

Hole diameter of the seive tray

Answer

Height of the plate spacing

Question 3

Seamless pipe is made

Accepted Answer

Both B and C

Answer

From rolled strips formed into cylinders and seam-welded

Answer

By extrusion & casting into static and centrifugal molds

Answer

By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing

Question 4

A pipe is generally made of circular cross-section, because a circular cross-section has the

Accepted Answer

Both A & B

Answer

Higher structural strength

Answer

Lowest surface area requirement for a given volume

Answer

None of these

Question 5

In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a

Accepted Answer

Either A or B

Answer

U-bend

Answer

Floating head tube sheet

Answer

Neither A nor B

Question 6

Ratio of tube length to shell diameter for a shell and tube heat exchanger is

Accepted Answer

Both B & C

Answer

8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers

Answer

4 : 1 to 8 : 1 for liquid-liquid exchanger

Answer

< 4 : 1 for gas-gas exchangers

Question 7

Fresh water carrying pipelines in chemical industries are coloured with __________ color.

Accepted Answer

Sea green

Answer

Brown

Answer

Yellow

Answer

Red

Question 8

What is the value of 'q' for saturated vapor feed to a distillation column ? (where q = fraction of the feed stream that is liquid.)

Accepted Answer

0

Answer

1

Answer

<0

Answer

> 1

Question 9

For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?

Accepted Answer

Ellipsoidal (2 : 1)

Answer

Hemispherical

Answer

Conical

Answer

Flat plate