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!

So, are you ready to put your Process Equipment and Plant Design knowledge to the test? Let's get started with our carefully curated MCQs!

Process Equipment and Plant Design MCQs | Page 4 of 50

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Q31.
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

a.

3-5

b.

5-11

c.

8-15

d.

12-18

Discuss
Answer: (b).5-11
Q32.
The stress developed in a material without any permanent set is called the

a.

ultimate stress

b.

yield stress

c.

elastic limit

d.

breaking stress

Discuss
Answer: (c).elastic limit
Q33.
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

a.

O.D. of the tube for square pitch.

b.

shortest distance between two adj acent tube holes.

c.

shortest centre to centre distance between adjacent tubes.

d.

none of these.

Discuss
Answer: (c).shortest centre to centre distance between adjacent tubes.
Q34.
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method ?

a.

Sensible heat changes for vapour & liquid are negligibly small.

b.

Reflux is not a saturated liquid.

c.

Molar latent heat of the two components are equal.

d.

Heat of mixing of normal liquid is assumed to be zero.

Discuss
Answer: (b).Reflux is not a saturated liquid.
Q35.
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

a.

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation.

b.

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps.

c.

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4.

d.

none of these.

Discuss
Answer: (d).none of these.
Q36.
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

a.

0.1 to 2

b.

5 to 7

c.

3 to 8

d.

8 to 15

Discuss
Answer: (a).0.1 to 2
Q37.
A stuffing box is used for

a.

absorbing the contraction/expansion of pipeline due to temperature changes.

b.

prevention of fluid leakage around moving parts.

c.

facilitating smooth opening and closing of a valve.

d.

reducing the resistance of fluid flow.

Discuss
Answer: (b).prevention of fluid leakage around moving parts.
Q38.
Pick out the wrong statement.

a.

Longer tubes are less expensive per unit heat transfer area as compared to shorter tubes.

b.

A cost index is merely a number for a given year showing the cost at that time relative to a certain base year.

c.

Turn over ratio of a chemical plant is the ratio of gross annual sales to the fixed capital investment.

d.

Plates with butt welded joints are less expensive compared to lap welded joints, because squaring of plates is not necessary.

Discuss
Answer: (d).Plates with butt welded joints are less expensive compared to lap welded joints, because squaring of plates is not necessary.
Q39.
Construction expenses are roughly __________ percent of the total direct cost of the plant.

a.

2

b.

10

c.

30

d.

50

Discuss
Answer: (b).10
Q40.
A machine has an initial value of Rs. 5000, service life of 5 years and final salvage value of Rs. 1000. The annual depreciation cost by straight line method is Rs.

a.

300

b.

600

c.

800

d.

1000

Discuss
Answer: (c).800
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