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Theory of Structures

Theory of Structures
In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is

L/5
L/3
L/2
L/4

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Theory of Structures
The strain energy due to volumetric strain

Is directly proportional to the square of exerted pressure
All of these
Is directly proportional to the volume
Is inversely proportional to Bulk modulus

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Theory of Structures
Maximum principal stress theory for the failure of a material at elastic point, is known

Rankine's theory
Von Mises' theory
St. Venant's theory
Guest's or Trecas' theory

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Theory of Structures
The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is

WL3/2EI
WL²/2EI
WL3/3EI
WL²/3EI

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Theory of Structures
The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch).

150/EIc
100/EIc
200/EIc
50/EIc

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Theory of Structures
The vertical reaction for the arch is

wl/a
wa/2l
wa/l
wa²/2l

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