Strength of Materials Part B – Beams & Stresses

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The intensity of direct longitudinal stress in the cross-section at any point distance r from neutral axis is proportional to

Which of the following statement is true?

Limiting values of Poisson's ratio are:

Two beams of equal cross section are subjected to equal bending moment . if one has square cross section and other has circular cross section then

Total number of elastic constants of an isotropic material are

The ratio of stress induced due to a sudden axial applied load on the bar to stress induced due to a gradually applied axial load on a bar is

For a beam , M/(EI) is

For a uniformly distributed load

Of the several prismatic beams of equal length and of the same material beam that can carry maximum load in flexure is the one having maxium

The specimen in charpy impact test is supported as

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Strength of materials, also called mechanics of materials, is a subject which deals with the behavior of solid objects subject to stresses and strains. The complete theory began with the consideration of the behavior of one and two dimensional members of structures, whose states of stress can be approximated as two dimensional, and was then generalized to three dimensions to develop a more complete theory of the elastic and plastic behavior of materials.


Beam fixed on the wall as an example
Beam fixed on the wall as an example