Engineering Materials MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Engineering Materials, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Engineering Materials 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 Engineering Materials mcq questions that explore various aspects of Engineering Materials problems. Each MCQ is crafted to challenge your understanding of Engineering Materials principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Engineering Materials MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Engineering Materials. 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 Engineering Materials knowledge to the test? Let's get started with our carefully curated MCQs!

Engineering Materials MCQs | Page 28 of 29

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Q271.
The temperature point at which the change starts on heating the steel is called

a.

lower critical point

b.

upper critical point

c.

point of recalescence

d.

point of decalescence

Discuss
Answer: (a).lower critical point
Q272.
Aluminium bronze has high resistance to corrosion.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (b).False
Q273.
Manganese bronze contains more copper than silicon bronze.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q274.
In a face centred cubic space lattice, there are

a.

nine atoms out of which eight atoms are located at the corners of the cube and one atom at its centre

b.

fourteen atoms out of which eight atoms are located at the corners of the cube and six atoms at the centres of six faces

c.

seventeen atoms out of which twelve atoms are located at the twelve corners of the hexagonal prism, one atom at the centre of each of the two hexagonal faces and three atoms are symmetrically arranged in the body of the cell

d.

none of the above

Discuss
Answer: (b).fourteen atoms out of which eight atoms are located at the corners of the cube and six atoms at the centres of six faces
Q275.
The fuel used in a blast furnace is

a.

coal

b.

coke

c.

wood

d.

producer gas

Discuss
Answer: (b).coke
Q276.
Face centred cubic space lattice is found in gamma-iron, aluminium, copper, lead, silver and nickel.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q277.
Which of the following is a point imperfection?

a.

Vacancy

b.

Interstitial imperfection

c.

Frenkel imperfection

d.

all of these

Discuss
Answer: (d).all of these
Q278.
The process in which carbon and nitrogen both are absorbed by the metal surface to get it hardened is known as

a.

carburising

b.

cyaniding

c.

flame hardening

d.

induction hardening

Discuss
Answer: (b).cyaniding
Q279.
The malleability is the property of a material by virtue of which a material

a.

regains its shape and size after the removal of external forces

b.

retains the deformation produced under load permanently

c.

can be drawn into wires with the application of a tensile force

d.

can be rolled or hammered into thin sheets

Discuss
Answer: (d).can be rolled or hammered into thin sheets
Q280.
Which of the following statement is wrong?

a.

The spheroidising process is usually applied to high carbon tool steels which are difficult to machine

b.

In spheroidising process, the cementite in the granular form is produced in the structure of steel

c.

The annealing process causes complete recrystallisation in steels which have been severely cold worked and a new grain structure is formed

d.

none of the above

Discuss
Answer: (d).none of the above
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