Explore topic-wise MCQs in Machine Design.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following are true for toughness

A. Ability of material to absorb energy before fracture
B. Measured by Izod & Charpy test
C. Decreases with the increase in temperature
D. All of the mentioned
Answer» E.
Discussion
2.

Modulus of resilience is defined as

A. Strain energy per unit volume
B. Strain energy per unit area
C. Independent of strain energy
D. None of the mentioned
Answer» B. Strain energy per unit area
Discussion
3.

Which of the following facts are true for resilience?

A. Ability of material to absorb energy when deformed elastically
B. Ability to retain deformation under the application of load or after removal of load
C. Ability of material to absorb energy when deformed plastically
D. None of the mentioned
Answer» B. Ability to retain deformation under the application of load or after removal of load
Discussion
4.

Which of the following is measure of stiffness?

A. Modulus of elasticity
B. Modulus of plasticity
C. Resilience
D. Toughness
Answer» B. Modulus of plasticity
Discussion
5.

WHICH_OF_THE_FOLLOWING_IS_MEASURE_OF_STIFFNESS??$

A. Modulus of elasticity
B. Modulus of plasticity
C. Resilience
D. Toughness
Answer» B. Modulus of plasticity
Discussion
6.

Modulus of resilience is defined as$

A. Strain energy per unit volume
B. Strain energy per unit area
C. Independent of strain energy
D. None of the mentioned
Answer» B. Strain energy per unit area
Discussion
7.

Which_of_the_following_facts_are_true_for_resilience?$

A. Ability of material to absorb energy when deformed elastically
B. Ability to retain deformation under the application of load or after removal of load
C. Ability of material to absorb energy when deformed plastically
D. None of the mentioned
Answer» B. Ability to retain deformation under the application of load or after removal of load
Discussion
8.

Hardness is

A. Surface property
B. Resistance to abrasion
C. Depends upon resistance to plastic deformation of the material
D. All of the mentioned
Answer» E.
Discussion
9.

Malleability increases with temperature while ductility decreases with temperature.

A. True
B. False
Answer» B. False
Discussion
10.

Which_of_the_following_are_true_for_toughness

A. Ability of material to absorb energy before fracture
B. Measured by Izod & Charpy test
C. Decreases with the increase in temperature
D. All of the mentioned
Answer» E.
Discussion
11.

All engineering materials are plastic.

A. True
B. False
Answer» B. False
Discussion
12.

Proof strength is defined as the stress which will produce a permanent extension of how much percentage in the gauge length of the standard test specimen.

A. 0.1
B. 0.2
C. 0.3
D. 0.4
Answer» B. 0.2
Discussion
13.

For the materials which do not exhibit a well-defined yield points, the yield strength is defined as the stress corresponding to a permanent set of how much percentage of gauge length?

A. 0.1
B. 0.2
C. 0.3
D. 0.4
Answer» C. 0.3
Discussion
14.

Yield strength is defined as the maximum stress at which a marked increase in elongation occurs without increase in________

A. Load
B. Strength
C. Toughness
D. Hardness
Answer» B. Strength
Discussion
15.

Which of the following is the definition of Compliance?

A. Inverse of Rigidity
B. Inverse of Stiffness
C. Proportional to elastic Limit
D. None of the mentioned
Answer» C. Proportional to elastic Limit
Discussion
16.

Proportional Limit is defined as the stress at which the stress strain curves begins to deviate from the straight line.

A. True
B. False
Answer» B. False
Discussion
17.

Which of the following parameters can be obtained by tension test of a standard specimen?

A. Proportional Limit
B. Yield Strength
C. Percentage Reduction in area
D. All of the mentioned
Answer» B. Yield Strength
Discussion