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 70 of 136

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Q691.
The single most imortant requirement for a turbine blade material is

a.

damping

b.

resilience

c.

creep resistaned

d.

DBTT

Discuss
Answer: (c).creep resistaned
Q692.
Pick out the correct statement.

a.

A base is always soluble in water.

b.

Hydrogen is released whenever a metal reacts with an acid.

c.

Sodium hydroxide is both a base and an alkali.

d.

All indicators give red solution with an acid.

Discuss
Answer: (c).Sodium hydroxide is both a base and an alkali.
Q693.
Ageing of steel refers to the

a.

degradation of steel by corrosion.

b.

failure of steel structure by overstress-ing.

c.

return of sharp yield point in temper rolled low carbon sheet after a period of time.

d.

decarburisation of steel by overheating.

Discuss
Answer: (c).return of sharp yield point in temper rolled low carbon sheet after a period of time.
Q694.
When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the

a.

partial pressure of water vapour is less than the total pressure.

b.

humidity is < 100% & dew point temperature of air has not reached.

c.

dew point temperature of air has not reached & air is not saturated fully.

d.

air is fully saturated.

Discuss
Answer: (d).air is fully saturated.
Q695.
When metals are heated to high temperature, their __________ increases in general.

a.

atomic vibration

b.

creep strength

c.

yield stress & ultimate tensile strength

d.

toughness & stiffness

Discuss
Answer: (a).atomic vibration
Q696.
A friction lighter is normally used for lighting gas welding torch, because of the reason that

a.

its initial cost is very low.

b.

duration of spark created is very small.

c.

safety of welder is ensured.

d.

it is easier to operate & maintain.

Discuss
Answer: (c).safety of welder is ensured.
Q697.
Semi-conductors normally employ __________ bonding.

a.

co-ordinate

b.

ionic

c.

covalant

d.

metallic

Discuss
Answer: (c).covalant
Q698.
High endurance limit of carburised machine parts is because of the fact that carburisation

a.

suppresses any stress concentration produced in the parts.

b.

enhances the yield point of the material.

c.

introduces a compressive layer on the surface.

d.

produces a better surface finish.

Discuss
Answer: (c).introduces a compressive layer on the surface.
Q699.
In __________ process, there is an increase in entropy with no degradation of energy.

a.

isothermal expansion

b.

isochoric heat addition

c.

polytropic expansion

d.

isobaric heat addition

Discuss
Answer: (a).isothermal expansion
Q700.
Which of the following is categorised as the plastic welding ?

a.

Gas welding

b.

Electric arc welding

c.

Forge welding

d.

None of these

Discuss
Answer: (c).Forge welding
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