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 129 of 136

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Q1281.
Pick out the wrong statement about coating/electroplating of metals.

a.

Phosphate coating is used as an excellent base for paints & enamels.

b.

Phosphate coating is less corrosion resistant than chromate coating.

c.

The base metal to be electroplated is normally made the cathode of the electrolytic cell and coating metal is made the anode.

d.

Calorising is the process of coating steel with chromium.

Discuss
Answer: (d).Calorising is the process of coating steel with chromium.
Q1282.
In case of a, centrifugal pump, the ratio h1/H2 is termed as the __________ efficiency (where, h1 = actual measured head & H2 = head imparted to the fluid by impeller).

a.

mechanical

b.

overall

c.

volumetric

d.

impeller

Discuss
Answer: (a).mechanical
Q1283.
Brinell hardness number (BHN) of a material is a number, which has

a.

no dimension.

b.

unit of length.

c.

unity of force/area.

d.

unit of force/length.

Discuss
Answer: (c).unity of force/area.
Q1284.
Vanadium addition to steel improves its

a.

high temperature oxidation resistance.

b.

fatigue strength.

c.

heat treatability by quenching.

d.

hardenability.

Discuss
Answer: (d).hardenability.
Q1285.
Tin is not present as an alloying element in

a.

phosphor bronze

b.

gun metal

c.

fusible metal

d.

white metal

Discuss
Answer: (d).white metal
Q1286.
Thermit welding uses the following energy source.

a.

Electrical energy.

b.

Chemical energy.

c.

Energy of high velocity electrons.

d.

Heat generated by friction.

Discuss
Answer: (b).Chemical energy.
Q1287.
The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the

a.

pipe roughness & pipe diameter.

b.

fluid velocity.

c.

type of flowing fluid.

d.

both 'b' & 'c'.

Discuss
Answer: (d).both 'b' & 'c'.
Q1288.
Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.

A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater

Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories ?

a.

A, C, B, D

b.

D, B, C, A

c.

D, C, B, A

d.

D, A, B, C

Discuss
Answer: (b).D, B, C, A
Q1289.
Case hardening of a material is

a.

followed by tempering or carburising.

b.

preceded by its tempering.

c.

done to get a soft ductile interior with a very hard surface.

d.

carried out to get extreme hardness in its core.

Discuss
Answer: (d).carried out to get extreme hardness in its core.
Q1290.
Titanium is added to molten aluminium alloys before casting for the purpose of

a.

grain refinement.

b.

increasing corrosion resistance.

c.

reducing porosity.

d.

improving fluidity.

Discuss
Answer: (d).improving fluidity.
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