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 51 of 136

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Q501.
The hardenability of steel decreases with

a.

decrease in dislocation density.

b.

increase in solutionising temperature.

c.

increase in strength.

d.

decrease in grain size.

Discuss
Answer: (d).decrease in grain size.
Q502.
Pick out the correct statement about the condensation.

a.

Filmwise condensation gives a lower heat transfer rate than the dropwise condensation.

b.

Suitable coating or vapour additive is used to promote film wise condensation.

c.

If a condensing liquid does not wet the surface dropwise, even then condensation will take place on it.

d.

Reynolds number of condensing liquid is based on its mass flow rate.

Discuss
Answer: (b).Suitable coating or vapour additive is used to promote film wise condensation.
Q503.
Change in volume of metals from absolute zero temperature to their melting points is

a.

almost same for all metals.

b.

different for different metals.

c.

less for low melting point metals.

d.

less for high melting point metals.

Discuss
Answer: (a).almost same for all metals.
Q504.
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

a.

creep

b.

fatigue

c.

endurance

d.

tensile

Discuss
Answer: (b).fatigue
Q505.
Alloy powder manufactured by the following process have spherical shapes.

a.

Electrochemical deposition.

b.

Gaseous reduction.

c.

Atomisation.

d.

Mechanical attrition.

Discuss
Answer: (c).Atomisation.
Q506.
Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.

a.

atoms

b.

neutrons

c.

nucleons

d.

electrons

Discuss
Answer: (a).atoms
Q507.
The product of a commercial direct reduction process is

a.

liquid iron

b.

solid iron

c.

sponge iron

d.

iron saturated with carbon

Discuss
Answer: (c).sponge iron
Q508.
In the diving apparatus, helium is used along with oxygen, because it is

a.

easily available.

b.

not soluble in blood at high pressure.

c.

lighter than nitrogen.

d.

completely miscible with oxygen.

Discuss
Answer: (b).not soluble in blood at high pressure.
Q509.
Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

a.

conductor

b.

insulator

c.

semi-conductor

d.

none of these

Discuss
Answer: (c).semi-conductor
Q510.
During sensible cooling of air, its wet bulb temperature

a.

decreases but dew point remains constant.

b.

increases but dew point remains constant.

c.

increases & the dew point decreases.

d.

decreases & the dew point increases.

Discuss
Answer: (b).increases but dew point remains constant.
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