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 20 of 136

Discover more Topics under Basic Chemical Engineering

Q191.
__________ addition increases the depth of hardness of steel.

a.

Chromium

b.

Nickel

c.

Tungsten

d.

Vanadium

Discuss
Answer: (a).Chromium
Q192.
Fluorine is not a constituent of

a.

freon

b.

chloroform

c.

teflon

d.

fluorocarbons

Discuss
Answer: (b).chloroform
Q193.
The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.

a.

pulverised fuel

b.

travelling grate stoker firing

c.

circulating fluidised bed

d.

fluidised bed

Discuss
Answer: (a).pulverised fuel
Q194.
During solid state sintering of powders, the following mechanism can be active.

a.

Evaporation and condensation.

b.

Solid state diffusion processes.

c.

Liquid formation in grain boundaries.

d.

Creation of more dislocations.

Discuss
Answer: (b).Solid state diffusion processes.
Q195.
The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

a.

768

b.

1127

c.

1359

d.

1480

Discuss
Answer: (b).1127
Q196.
Regeneration of molecular seive requires it to be heated to a temperature of about __________ °C.

a.

80-120

b.

200-300

c.

600-800

d.

1000-1100

Discuss
Answer: (d).1000-1100
Q197.
Steels with high carbon equivalent have poor weldability, because in these steels during welding

a.

carbon and other alloying elements get oxidised from the weld pool.

b.

excessive ferrite forms in the heat affected zone leading to poor toughness of the weld.

c.

martensite forms in the heat affected zone leading to poor toughness/ductility of the weld.

d.

segregation of carbon and other element occurs in the weld pool leading to poor properties of the weld.

Discuss
Answer: (c).martensite forms in the heat affected zone leading to poor toughness/ductility of the weld.
Q198.
If the pH value of a solution of sodium chloride is 7; then what will be the pH value of the solution after its electrolysis ?

a.

7

b.

< 7

c.

> 7

d.

0

Discuss
Answer: (c).> 7
Q199.
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

a.

Vicker's

b.

Rockwell

c.

Knoop

d.

Brinell

Discuss
Answer: (b).Rockwell
Q200.
Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means

a.

disposing off a machine/property on as is where is basis.

b.

disposing off machine/property, which is no longer useful in the present scenerio.

c.

mortgaging the obsolete machine/property.

d.

writing off the obsolete machine/ property.

Discuss
Answer: (b).disposing off machine/property, which is no longer useful in the present scenerio.
Page 20 of 136