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Engineering-materials Questions Set 3:

Quiz Mode

What is Tynex?

Nylon 6

Nylon 6,6

Nylon 610

Nylon 11

Solution:

Which material is used to make single point cutting tool?

HSS

LSS

Cast Iron

Brass

Solution:

In gray cast iron, carbon is present in the form of

Cementite

Free carbon

Spheroids

Graphite flakes

Solution:

In which of the following Bravais lattices are none of the sides equal?

Triclinic

Monoclinic

Orthorhombic

All of the mentioned

Solution:

Case hardening is the only method suitable for hardening which type of steel?

high alloy steel

high carbon steel

low carbon steel

high carbon steel

Solution:

Which is the most important thermodynamic parameter in homogeneous nucleation?

Free energy G

Enthalpy H

Entropy S

Free energy G, Enthalpy H, Entropy S

Solution:

What is non-destructive testing used to determine?

Chemical composition

Location of defects

None of these

Both chemical composition and location of defects

Solution:

Which of the following would you prefer for checking the hardness of thin sections?

Herbert cloud burst test

Shore scleroscope

Knoop hardness test

Vickers hardness test

Solution:

What is the term used to describe the amount of strain in a stable neck during necking of a material under load?

Natural draw ratio

Forced draw ratio

Physical activity ratio

Poisson's ratio

Solution:

Which of the following statements about the failure of materials are false?

The factors affecting fracture of materials are stress concentration, thermal shock, temperature, and speed of loading.

With the increase in thickness, the fracture toughness of a material decreases.

Adding phosphorus will reduce the fracture toughness of steel.

Brittle material fails by shear stress.

Engineering-materials Questions Set 3:

What is Tynex?

Solution:

Which material is used to make single point cutting tool?

Solution:

In gray cast iron, carbon is present in the form of

Solution:

In which of the following Bravais lattices are none of the sides equal?

Solution:

Case hardening is the only method suitable for hardening which type of steel?

Solution:

Which is the most important thermodynamic parameter in homogeneous nucleation?

Solution:

What is non-destructive testing used to determine?

Solution:

Which of the following would you prefer for checking the hardness of thin sections?

Solution:

What is the term used to describe the amount of strain in a stable neck during necking of a material under load?

Solution:

Which of the following statements about the failure of materials are false?

Solution:

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