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_________________?

Related Mcqs:

1. In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is__________________?

   A. L/2
   B. L/3
   C. L/4
   D. L/5

2. A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is_________________?

   A. 0.207
   B. 0.307
   C. 0.407
   D. 0.508

3. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be________________?

   A. 2/3
   B. 3/2
   C. 5/8
   D. 8/5

4. A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the shear force will be zero at a distance x from least loaded point where x is_________________?

   A. a/2
   B. a/3
   C. a
   D. a

5. The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?

   A. WL3/3EL
   B. WL3/8EL
   C. WL3/24EL
   D. WL3/48EL

6. The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is________________?

   A. 1/8
   B. 1/10
   C. 1/12
   D. 1/16

7. The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is_______________?

   A. 1/2
   B. 2/3
   C. 1/4
   D. 1/3

8. The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is___________________?

   A. 1/8
   B. 1/4
   C. 1/2
   D. 1/3

9. A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be_______________?

   A. wa/27
   B. wa²/27
   C. w²a
   D. wa²

10. A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is________________?

    A. L/d
    B. L/2d
    C. (L/2d)²
    D. (L/3d)²