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 61 of 136

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Q601.
Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.

a.

grey

b.

red

c.

orange

d.

violet

Discuss
Answer: (b).red
Q602.
Heat dissipation in cooling towers is mainly by

a.

conduction

b.

convection

c.

evaporation

d.

radiation

Discuss
Answer: (c).evaporation
Q603.
In BOF, desiliconisation is a first order reaction. So the silicon content of the metal decreases

a.

linearly with time.

b.

exponentially with time.

c.

logarithmically with time.

d.

in proportion to the square root of time.

Discuss
Answer: (a).linearly with time.
Q604.
Maraging steels derive their strength from the following mechanism:

a.

A fine, highly dislocated and strong martensite.

b.

Fine dispersions of intermetallics of Fe, Ni, Ti etc.

c.

Fine dispersions of alloy carbides in a ferrite matrix.

d.

Fine dispersions of Fe₃ C nucleated on dislocations in austenite.

Discuss
Answer: (a).A fine, highly dislocated and strong martensite.
Q605.
Ceramic compounds as compared to metallic compounds

a.

crystallise faster.

b.

resist greater tensile stress at room temperature.

c.

have higher melting temperature.

d.

are better conductor of electricity at higher temperature.

Discuss
Answer: (c).have higher melting temperature.
Q606.
Pressure exerted by a liquid depends upon its

a.

surface tension

b.

density

c.

viscosity

d.

buoyancy

Discuss
Answer: (b).density
Q607.
The most detrimental impurity in high pressure boiler feed water is

a.

suspended salt

b.

dissolved salt

c.

silica

d.

turbidity

Discuss
Answer: (c).silica
Q608.
Pick out the wrong statement.

a.

A soft magnetic material should have high permeability and small area of hysterisis loop.

b.

Poisson's ratio of high melting point metals is more than unity.

c.

Solders generally melt at less than 185°C.

d.

Steel produced by B.O.F process is ideally suited for manufacturing flat product.

Discuss
Answer: (b).Poisson's ratio of high melting point metals is more than unity.
Q609.
Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

a.

burning

b.

intensive oxidation

c.

evaporation

d.

none of these

Discuss
Answer: (b).intensive oxidation
Q610.
The material used for coating the welding electrode is termed as the

a.

flux

b.

slag

c.

protective layer

d.

binder

Discuss
Answer: (b).slag
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