Structural Analysis - I (3140603) MCQs

MCQs of Strain energy & Displacement of Statically Determinate structures

Showing 11 to 20 out of 59 Questions
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11.
Total strain energy theory for the failure of a material at elastic limit, is known
(a) Guest's or Trecas' theory
(b) St. Venant's theory
(c) Rankine's theory
(d) Haig's theory
Answer:

Option (d)

12.
The total strain energy of a beam of length L, having moment of inertia of its section I, when subjected to a bending moment M, is
(a) M2EIdx
(b) M22EIdx
(c) ∫0LM22EIdx
(d) ∫0LM2EIdx
Answer:

Option (c)

13.
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called
(a) stiffness
(b) proof resilience
(c) proof stress
(d) proof load
Answer:

Option (b)

14.
The greatest load which a spring can carry without getting permanently distorted, is called
(a) stiffness
(b) prof resilience
(c) proof stress
(d) proof load
Answer:

Option (d)

15.
A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is
(a) WL2AE
(b) WLAE
(c) W2LAE
(d) W2L2AE
Answer:

Option (d)

16.
The ratio of the area of cross-section of a circular section to the area of its core, is
(a) 4
(b) 8
(c) 12
(d) 16
Answer:

Option (d)

17.
The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is
(a) 1/4
(b) 1/2
(c) 1
(d) 2
Answer:

Option (d)

18.
The strain energy due to volumetric strain
(a) is directly proportional to the volume
(b) is directly proportional to the square of exerted pressure
(c) is inversely proportional to Bulk modulus
(d) All the above
Answer:

Option (d)

19.
The property of material to store strain energy is called
(a) Ductility
(b) Modulus of rupture
(c) Strain hardening
(d) Resilience
Answer:

Option (d)

20.
The shear force on a simply supported beam is proportional to
(a) displacement of the neutral axis
(b) sum of the forces
(c) sum of the transverse forces
(d) algebraic sum of the transverse forces of the section
Answer:

Option (d)

Showing 11 to 20 out of 59 Questions
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