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PPSC CE SOM_SFD-bending stress and shear stress

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Question 1

The ratio of the flexural strengths of two beams of square cross section, the first beam being placed with its top and bottom sides horizontally and second beam being placed with one diagonal horizontally, is:

Question 2

A rectangular timber beam (bxd) is cut out of a cylindrical log of diameter ‘D’. The width (b) of the strongest timber beam will be:

Question 3

If E is the modulus of elasticity and I is the moment of inertia, then the flexural rigidity or flexural stiffness of the member is

Question 4

The maximum shear stress in a rectangular beam is

Question 5

If the BMD for a simply supported beam is as shown below, the load on the beam will be

Question 6

In rolled steel I beams, shear force is mostly resisted by
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Mar 25AE & JE Exams