Fundamentals of Machine Design (3141907) MCQs

MCQs of Basics of stress and strain

Showing 31 to 39 out of 39 Questions
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31.
The total strain energy stored in a body is called proof resilience.
(a) Agree
(b) Disagree
Answer:

Option (b)

32.
Modulus of resilience is the proof resilience per unit volume of a material.
(a) Correct
(b) Incorrect
Answer:

Option (a)

33.
The stress at which the extension of the material takes place more quickly as compared to the increase in load is called
(a) elastic limit
(b) yield point
(c) ultimate point
(d) breaking point
Answer:

Option (b)

34.
Strain energy is the
(a) energy stored in a body when strained within elastic limits
(b) energy stored in a body when strained up to the breaking of a specimen
(c) maximum strain energy which can be stored in a body
(d) proof resilience per unit volume of a material
Answer:

Option (a)

35.
The breaking stress is __________ the ultimate stress.
(a) equal to
(b) less than
(c) greater than
Answer:

Option (b)

36.
The tensile test is carried on __________ materials.
(a) ductile
(b) brittle
(c) malleable
(d) plastic
Answer:

Option (a)

37.
In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.
(a) decreases slowly
(b) increases slowly
(c) decreases more quickly
(d) increases more quickly
Answer:

Option (d)

38.
The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.
(a) equal to
(b) one-half
(c) twice
(d) four times
Answer:

Option (c)

39.
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be
(a) WA
(b) W2A
(c) 2WA
(d) 3WA
Answer:

Option (c)

Showing 31 to 39 out of 39 Questions
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