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 3 of 136

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Q21.
Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

a.

pure oxygen has been used for combustion.

b.

nitrogen percentage in the fuel is very high.

c.

excess air has been used for combustion.

d.

hydrogen is not present in the fuel.

Discuss
Answer: (c).excess air has been used for combustion.
Q22.
Maximum permissible air velocity in pipelines is about __________ metre/second.

a.

5

b.

10

c.

20

d.

40

Discuss
Answer: (b).10
Q23.
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.
Q24.
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
Q25.
Energy of the sun arises mainly from __________ reactions.

a.

fusion

b.

fission

c.

combustion

d.

none of these

Discuss
Answer: (a).fusion
Q26.
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
Q27.
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
Q28.
Coating provided on the electrodes used in the arc welding is not expected to

a.

add alloying elements.

b.

prevent electrode from contamination.

c.

stabilise the arc.

d.

provide protective atmosphere to weld.

Discuss
Answer: (b).prevent electrode from contamination.
Q29.
Desalination of water

a.

makes it potable.

b.

makes it non-potable.

c.

means distillation of water.

d.

none of these.

Discuss
Answer: (a).makes it potable.
Q30.
Viscoelastic behaviour is observed in __________ materials.

a.

non-crystalline organic polymeric

b.

ceramic

c.

all crystalline

d.

all amorphous

Discuss
Answer: (a).non-crystalline organic polymeric
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