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 19 of 136

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Q181.
__________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.

a.

Annuity charging

b.

Atraight line

c.

Ainking fund

d.

None of these

Discuss
Answer: (b).Atraight line
Q182.
Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is

a.

chromium

b.

nickel

c.

zinc

d.

aluminium

Discuss
Answer: (b).nickel
Q183.
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
Q184.
Heat dissipation in cooling towers is mainly by

a.

conduction

b.

convection

c.

evaporation

d.

radiation

Discuss
Answer: (c).evaporation
Q185.
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.
Q186.
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.
Q187.
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.
Q188.
Pressure exerted by a liquid depends upon its

a.

surface tension

b.

density

c.

viscosity

d.

buoyancy

Discuss
Answer: (b).density
Q189.
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
Q190.
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.
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