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!

So, are you ready to put your Chemical Engineering Basics knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Engineering Basics MCQs | Page 4 of 136

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Q31.
In the blast furnace, incorporation of water vapour in the blast gives the following effect.

a.

Increases the reducing potential of the gas.

b.

Increases the flame temperature.

c.

No significant change occurs.

d.

Increases the hydrogen content in the metal.

Discuss
Answer: (a).Increases the reducing potential of the gas.
Q32.
Pick out the wrong statement.

a.

A ferromagnetic material becomes paramagnetic above the 'Curie temperature'.

b.

Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials.

c.

Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces.

d.

Tungsten steel and alnico are not hard magnetic materials.

Discuss
Answer: (d).Tungsten steel and alnico are not hard magnetic materials.
Q33.
The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

a.

60 - 100

b.

400 - 700

c.

1200 -1500

d.

2000 - 2300

Discuss
Answer: (b).400 - 700
Q34.
Maximum permissible air velocity in pipelines is about __________ metre/second.

a.

5

b.

10

c.

20

d.

40

Discuss
Answer: (b).10
Q35.
Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

a.

Grashoff number.

b.

Grashoff number & Reynolds number.

c.

Reynolds number.

d.

Grashoff number & Prandtl number.

Discuss
Answer: (d).Grashoff number & Prandtl number.
Q36.
The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

a.

parabolic

b.

hyperbolic

c.

straight line

d.

none of these

Discuss
Answer: (a).parabolic
Q37.
Energy of the sun arises mainly from __________ reactions.

a.

fusion

b.

fission

c.

combustion

d.

none of these

Discuss
Answer: (a).fusion
Q38.
Which of the following fastening devices has a head at one end and a nut fitted to the other ?

a.

Bolt

b.

Stud

c.

Top bolt

d.

None of these

Discuss
Answer: (b).Stud
Q39.
Sudden fall of atmospheric pressure by a large amount is an indication of the

a.

rain

b.

cold wave

c.

storm

d.

fair weather

Discuss
Answer: (c).storm
Q40.
Annealing ofwhite cast iron produces __________ iron.

a.

grey

b.

nodular

c.

malleable

d.

spheroidal

Discuss
Answer: (c).malleable
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