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 76 of 136

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Q751.
A boy weighing 110lb climbs up a 50 ft high vertical destination in 100 seconds. Horse power of the boy is __________ hp.

a.

0.1

b.

0.5

c.

0.8

d.

1

Discuss
Answer: (a).0.1
Q752.
Endurance is a measure of fatigue limit of a metal. Fatigue crack in nitrided machine parts originates

a.

at the surface.

b.

within the core.

c.

just below the surface.

d.

anywhere on the surface.

Discuss
Answer: (b).within the core.
Q753.
Carbon percentage in high speed steel tool material is 0.6 to 1.0. The hardness of carbon tool steels is increased, when it is alloyed with

a.

vanadium & chromium

b.

silicon

c.

tungsten

d.

manganese

Discuss
Answer: (a).vanadium & chromium
Q754.
Draft allowance given to patterns is for

a.

compensating the liquid state shrinkage.

b.

easy removal of pattern from the mold cavity.

c.

providing support for the core placement.

d.

compensating the solidification shrinkage.

Discuss
Answer: (b).easy removal of pattern from the mold cavity.
Q755.
Which of the following welding processes employs the highest welding temperature ?

a.

Arc welding

b.

Gas welding

c.

Thermit welding

d.

Resistance welding

Discuss
Answer: (d).Resistance welding
Q756.
The best criterion for analysing an economic investment is the

a.

rate of return criterion.

b.

present value method.

c.

salvage value.

d.

future value method.

Discuss
Answer: (a).rate of return criterion.
Q757.
Deformation band is absent in materials having __________ lattice crystal structure.

a.

fcc

b.

bcc

c.

hcp

d.

none of these

Discuss
Answer: (c).hcp
Q758.
Out of the following, the rays having the lowest wavelength is the

a.

radio waves

b.

ultrasonic waves

c.

infra red rays

d.

X-rays

Discuss
Answer: (a).radio waves
Q759.
A fine grained grinding wheel should not be used for grinding __________ materials.

a.

hard

b.

brittle

c.

soft & ductile

d.

none of these

Discuss
Answer: (c).soft & ductile
Q760.
What is the effect on the performance of the economiser in the thermal power plant boiler, if the feed water temperature is very low due to preheaters being out for repairs or starving of steam supply ?

a.

It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water.

b.

Economiser tube life increases due to handling of low temperature water.

c.

Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases.

d.

Scale formation rate on economiser tubes increases.

Discuss
Answer: (a).It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water.
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