Material Science And Metallurgy (3131904) MCQs

MCQs of Introduction to Material Science and Metallurgy

Showing 11 to 20 out of 31 Questions
1 2 3 4
11.

The strength is the ability of a material to resist

(a)

deformation under stress
(b)

externally applied forces with breakdown or yielding
(c)

fracture due to high impact loads
(d)

none of these
Answer:

Option (b)

12.

The stiffness is the ability of a material to resist

(a)

deformation under stress
(b)

fracture due to high impact loads
(c)

externally applied forces with breakdown or yielding
(d)

none of the above
Answer:

Option (a)

13.

Which of the following material has maximum ductility?

(a)

Mild steel
(b)

Copper
(c)

Nickel
(d)

Aluminium
Answer:

Option (a)

14.

The ability of a material to resist fracture due to high impact loads, is called

(a)

strength
(b)

stiffness
(c)

toughness
(d)

brittleness
Answer:

Option (c)

15.

Which of the following property is desirable in parts subjected to shock and impact loads?

(a)

Strength
(b)

Stiffness
(c)

Brittleness
(d)

Toughness
Answer:

Option (d)

16.

Shock resisting steels should have

(a)

low wear resistance
(b)

low hardness
(c)

low tensile strength
(d)

toughness
Answer:

Option (d)

17.

Which of the following property is desirable for materials used in tools and machines?

(a)

Elasticity
(b)

Plasticity
(c)

Ductility
(d)

Malleability
Answer:

Option (a)

18.

Machinability of a metal depends on

(a)

Hardness
(b)

Tensile strength
(c)

Brittleness
(d)

Both hardness and tensile strength
Answer:

Option (d)

19.

The malleability is the property of a material by virtue of which a material

(a)

The malleability is the property of a material by virtue of which a material
(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
Answer:

Option (d)

20.

The property of a material necessary for forgings, in stamping images on coins and in ornamental work, is

(a)

elasticity
(b)

plasticity
(c)

ductility
(d)

malleability
Answer:

Option (b)

Showing 11 to 20 out of 31 Questions
1 2 3 4