Chemical Engineering Basics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Engineering Basics, 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 Chemical Engineering Basics 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 Chemical Engineering Basics mcq questions that explore various aspects of Chemical Engineering Basics problems. Each MCQ is crafted to challenge your understanding of Chemical Engineering Basics 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 Chemical Engineering Basics 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 Chemical Engineering Basics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Chemical Engineering Basics MCQs | Page 97 of 136

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Q961.
Reynolds number of a fluid flowing in a circular pipe is 10000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30% ?

a.

9100

b.

13000

c.

7000

d.

2550

Discuss
Answer: (a).9100
Q962.
An example of unsteady non uniform flow is the flow of liquid under pressure through a

a.

tapering pipe at constant flow rate.

b.

tapering pipe at either decreasing or increasing flow rate.

c.

long pipeline of constant diameter.

d.

none of these.

Discuss
Answer: (b).tapering pipe at either decreasing or increasing flow rate.
Q963.
Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?

a.

Sinter

b.

Coke

c.

Iron ore

d.

Limestone

Discuss
Answer: (b).Coke
Q964.
Holes for rivetting purposes should be preferably made by

a.

cutting torch

b.

drilling

c.

punching

d.

none of these

Discuss
Answer: (b).drilling
Q965.
One of the methods of purification of leach liquor is ion exchange, which involves

a.

exchange between two liquid phases.

b.

exchange between a gaseous phase and a liquid phase.

c.

exchange between a liquid phase and an organic resin phase.

d.

exchange between a solid phase and a gas phase.

Discuss
Answer: (c).exchange between a liquid phase and an organic resin phase.
Q966.
A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities.
For minimum heat transfer to take place

a.

the better insulation material should be put just next to pipe (i.e., inside).

b.

the better insulating material should be put outside.

c.

either of the insulating material could be put on either side.

d.

steam temperature is considered before deciding as to which insulating material is to be put inside (i.e., just next to the pipe).

Discuss
Answer: (a).the better insulation material should be put just next to pipe (i.e., inside).
Q967.
Large diameter shafts are manufactured by

a.

hot rolling.

b.

cold drawing.

c.

casting and turning to size.

d.

forging and turning to size.

Discuss
Answer: (d).forging and turning to size.
Q968.
Common salt is produced from sea water in India generally by the __________ method.

a.

freeze drying

b.

solar evaporation

c.

electrolytic

d.

none of these

Discuss
Answer: (b).solar evaporation
Q969.
Killed steels

a.

are free from oxygen.

b.

contain not even traces of sulphur & phosphorous.

c.

are produced by L.D. process only.

d.

contain minimum impurity level.

Discuss
Answer: (a).are free from oxygen.
Q970.
Which of the following phenomenon/ phenomena is/are diffusion controlled ?

a.

Dislocation climb

b.

Cross-slip

c.

Twinning

d.

Recrystallisation

Discuss
Answer: (d).Recrystallisation
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