Basic Mechanical Engineering (3110006) MCQs

MCQs of Engineering Materials

Showing 1 to 10 out of 17 Questions
1.
_________is the ability of a material to resist deformation under stress.
(a) Strength
(b) Stiffness
(c) Hardness
(d) Brittleness
Answer:

Option (a)

2.
The tendency of a deformed solid to regain its actual proportions instantly upon unloading known as ______________
(a) perfectly elastic
(b) delayed elasticity
(c) inelastic effect
(d) plasticity
Answer:

Option (a)

3.
The permanent mode of deformation of a material known as _____________
(a) elastic deformation
(b) plastic deformation
(c) slip deformation
(d) twinning deformation
Answer:

Option (b)

4.
Resistance developed by surface of any material is known as ____________
(a) strength
(b) hardness
(c) stiffness
(d) creep
Answer:

Option (b)

5.
The ability of materials to develop a characteristic behavior under repeated loading known as ___________
(a) toughness
(b) resilience
(c) hardness
(d) fatigue
Answer:

Option (d)

6.
The ability of a material to resist plastic deformation known as _____________
(a) tensile strength
(b) yield strength
(c) modulus of elasticity
(d) impact strength
Answer:

Option (b)

7.
The ability of a material to be formed by hammering or rolling is known as _________
(a) malleability
(b) ductility
(c) hardness
(d) brittleness
Answer:

Option (a)

8.
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)

9.
Permanent deformation of material with respect to time due to constant load and variable temperature is termed as ____________
(a) elasticity
(b) isotropy
(c) hardness
(d) creep
Answer:

Option (d)

10.
The sealing ring for a pressure cooker is made from
(a) leather
(b) rubber
(c) plastic
(d) aluminum
Answer:

Option (b)

Showing 1 to 10 out of 17 Questions