A beam is said to be of uniform strength, if B.M. is same throughout the beam de

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Question
A beam is said to be of uniform strength, if
Options
A. B.M. is same throughout the beam
B. deflection is same throughout the beam
C. bending stress is same throughout the beam
D. shear stress is same throughout the beam
E. none of these.

Correct Answer

bending stress is same throughout the beam

Strength of Materials problems

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1. The ratio of the maximum deflections of a beam simply supported at its ends with an isolated central load and that of with a uniformly distributed load over its entire length, is
Options
A. 1
B.
C.
D.
E.

4. The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is
Options
A. one-half of the radius
B. one-third of the radius
C. one-quarter of the radius
D. one-fifth of the radius
E. one-sixth of the radius.

5. For a simply supported beam of length L, the bending moment M is described as M = a (x - x³/L²), 0 ? x < L; where a is a constant. The shear force will be zero at
Options
A. the supports
B. x = L/2
C. x = L/3
D. x = L/3

6. A simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be
Options
A. half the distributed load
B. 3/8th the distributed load
C. 5/8th the distributed load
D. distributed load.
E. none of these.

10. In a loaded beam, the point of con-traflexture occurs at a section where
Options
A. bending moment is minimum
B. bending moment is zero or changes sign
C. bending moment is maximum
D. shearing force is maximum
E. shearing force is minimum.

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