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 43 of 50

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Q421.
Lₑ/D for a Tee (used as elbow, entering run) would be around

a.

5

b.

60

c.

200

d.

350

Discuss
Answer: (b).60
Q422.
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

a.

less than arithmetic mean value.

b.

more than arithmetic mean value.

c.

more than geometric mean value.

d.

both (b) & (c).

Discuss
Answer: (a).less than arithmetic mean value.
Q423.
Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head.

a.

6% of I.D.

b.

3 times the thickness

c.

either (a) or (b), whichever is larger

d.

either (a) or (b), whichever is smaller

Discuss
Answer: (c).either (a) or (b), whichever is larger
Q424.
Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8").

a.

half

b.

three fourth

c.

equal to

d.

1.5 times

Discuss
Answer: (c).equal to
Q425.
Pick out the wrong statement.

a.

If sufficient residence time (around 8 seconds) is not proivided to the downcoming liquid in the downcomer, it may entrain some vapour.

b.

The liquid head in the downcomer should not be greater than one half the plate spacing to avoid flooding.

c.

The dischare end of the downcomer must project far enough into the tray liquid so that no gas bubbles can enter the open end and by pass the bubble caps.

d.

none of these.

Discuss
Answer: (d).none of these.
Q426.
Pick out the wrong statement pertaining to shell and tube heat exchanger.

a.

Clearance between shell & baffles and between tube & baffles should be minimum to avoid by-passing of the fluid, but it should be enough to permit the removal of tube bundle.

b.

Baffles are supported independently of the tubes by tie rods and positioned by spacers.

c.

Tie rods are fixed at one end in the tube sheet by making blind holes and the minimum number of tie rods is 4 with at least 10 mm diameter.

d.

Bracket supports are used for horizontal shell, while saddle support is used for vertical shell.

Discuss
Answer: (d).Bracket supports are used for horizontal shell, while saddle support is used for vertical shell.
Q427.
Wind load consideration in the design of a support can be neglected, when the vessel is

a.

tall (say 30 metres), but is full of liquid.

b.

tall but empty.

c.

short (< 2 m) and housed indoor.

d.

none of these.

Discuss
Answer: (c).short (< 2 m) and housed indoor.
Q428.
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

a.

1

b.

< 1

c.

>1

d.

equal to the order of reaction

Discuss
Answer: (c).>1
Q429.
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

a.

bending

b.

deformation

c.

shear

d.

elongation

Discuss
Answer: (a).bending
Q430.
Scale up problem in design based on the similarity concept takes into account __________ similarity.

a.

geometrical

b.

kinematic

c.

dynamic

d.

all (a), (b) and (c)

Discuss
Answer: (d).all (a), (b) and (c)
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