Process Equipment and Plant Design MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Process Equipment and Plant Design, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Process Equipment and Plant Design MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Process Equipment and Plant Design mcq questions that explore various aspects of Process Equipment and Plant Design problems. Each MCQ is crafted to challenge your understanding of Process Equipment and Plant Design principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Process Equipment and Plant Design MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Process Equipment and Plant Design. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Process Equipment and Plant Design MCQs | Page 23 of 50

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Q221.
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

a.

300

b.

600

c.

1000

d.

1500

Discuss
Answer: (b).600
Q222.
Ratio of tube length to shell diameter for a shell and tube heat exchanger is

a.

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

b.

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

c.

< 4 : 1 for gas-gas exchangers.

d.

both (b) & (c).

Discuss
Answer: (d).both (b) & (c).
Q223.
The dust collection efficiency of a cyclone separator

a.

decreases with increase in gas flow rate.

b.

is inversely proportional to the mass of the dust particle.

c.

is directly proportional to the radius of the dust particle path.

d.

none of these.

Discuss
Answer: (d).none of these.
Q224.
In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)^0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to

a.

∞

b.

1

c.

20.8

d.

2

Discuss
Answer: (b).1
Q225.
For a given fluid, as the pipe diameter increases, the pumping cost

a.

decreases.

b.

increases.

c.

remains unaffected.

d.

may increase or decreaes depending upon whether the fluid is Newtonian or non-Newtonion.

Discuss
Answer: (a).decreases.
Q226.
Maximum acceptable total liquid gradient over a tray is about __________ mm.

a.

5.5

b.

12.5

c.

30.5

d.

45.5

Discuss
Answer: (b).12.5
Q227.
In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is

a.

< 10

b.

> 10

c.

> 20

d.

30

Discuss
Answer: (b).> 10
Q228.
High pressure fluid in a shell and tube heat exchanger should preferably be routed through the

a.

tubes to avoid the expansion of high pressure shell construction.

b.

shell side for smaller total pressure drop.

c.

shell side, if the flow is counter-current and tube side if the flow is co-current.

d.

shell side for large overall heat transfer co-efficient.

Discuss
Answer: (a).tubes to avoid the expansion of high pressure shell construction.
Q229.
Bubble cap tray is the most commonly used tray in large distillation column, because

a.

of its flexibility and nearly constant efficiency under varying conditions of operation.

b.

it incurs less pressure drop as compared to any other try designed for the same duty.

c.

it eliminates the foaming and entrain-ment tendency during operation.

d.

none of these.

Discuss
Answer: (a).of its flexibility and nearly constant efficiency under varying conditions of operation.
Q230.
In the design of a paddle agitator, the ratio paddle dia/tank dia is normally taken as

a.

0.1

b.

0.8

c.

0.25

d.

0.5

Discuss
Answer: (b).0.8
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