# Material testing and characterization Quiz-1

Question 1

Time: 00:00:00
If the Brinell hardness of a steel specimen is measured 149 HBN. What will be the UTS?

431 MPa

431 MPa

514 MPa

514 MPa

608 MPa

608 MPa

637 MPa

637 MPa

Once you attempt the question then PrepInsta explanation will be displayed.

Question 2

Time: 00:00:00
Which one of the following, gives the relation between work hardening and yield strength of material?

Δσy = Gbρ

Δσy = Gbρ

Δσy = Gb√ρ

Δσy = Gb√ρ

Δσy = G√ρb

Δσy = G√ρb

Δσy = Gρ√b

Δσy = Gρ√b

Once you attempt the question then PrepInsta explanation will be displayed.

Question 3

Time: 00:00:00
Elastic energy of a dislocation is _______

∝ b

∝ b

∝ b^2

∝ b^2

∝ b^3

∝ b^3

∝ √b

∝ √b

Once you attempt the question then PrepInsta explanation will be displayed.

Question 4

Time: 00:00:00
A Burgers vector represents the extent of _____

Slip

Slip

Elastic deformation

Elastic deformation

Twinning

Twinning

Hardness

Hardness

Once you attempt the question then PrepInsta explanation will be displayed.

Question 5

Time: 00:00:00
What is the expression for bulk modulus?

E/2(1 + v)

E/2(1 + v)

E/3(1 – 2v)

E/3(1 – 2v)

E/ (1 – 2v)

E/ (1 – 2v)

E/3(1 + v)

E/3(1 + v)

Once you attempt the question then PrepInsta explanation will be displayed.

Question 6

Time: 00:00:00
What is interplaner spacing for {1 1 1} planes in BCC?

4/√3a^2

4/√3a^2

√2/a^2

√2/a^2

2/a^2

2/a^2

1/a^2

1/a^2

Once you attempt the question then PrepInsta explanation will be displayed.

Question 7

Time: 00:00:00
What is the order of elastic modulus for Nickel alloys, Lead alloys, Molybdenum alloys, alumina?

Pb < Mo < Ni < Al2O3

Pb < Mo < Ni < Al2O3

Ni < Pb < Mo < Al2O3

Ni < Pb < Mo < Al2O3

Pb < Ni < Mo < Al2O3

Pb < Ni < Mo < Al2O3

Pb < Ni < Al2O3 < Mo

Pb < Ni < Al2O3 < Mo

Once you attempt the question then PrepInsta explanation will be displayed.

Question 8

Time: 00:00:00
Ductility is indicated by _________

Percentage elongation

Percentage elongation

Percentage reduction

Percentage reduction

Poisson’s ratio

Poisson’s ratio

Elasticity

Elasticity

Once you attempt the question then PrepInsta explanation will be displayed.

Question 9

Time: 00:00:00
Steels having UTS _________ or above are called high strength steels.

300 MPa

300 MPa

1000 MPa

1000 MPa

1500 MPa

1500 MPa

2000 MPa

2000 MPa

Once you attempt the question then PrepInsta explanation will be displayed.

Question 10

Time: 00:00:00
What is the predominant process below 0.5 Tm?

Viscous creep

Viscous creep

Tertiary stage

Tertiary stage

Secondary stage

Secondary stage

Transient creep

Transient creep

Once you attempt the question then PrepInsta explanation will be displayed.

["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]

Personalized Analytics only Availble for Logged in users

Analytics below shows your performance in various Mocks on PrepInsta

Your average Analytics for this Quiz

Rank

-

Percentile

0%

Get over 200+ Courses under One Subscription

Don’t settle Learn from the Best with PrepInsta Prime Subscription

Learn from Top 1%

## One Subscription, For Everything

The new cool way of learning and upskilling -

Limitless Learning

One Subscription access everything

Job Assurance