At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by_________________?

Related Mcqs:

1. Y are the bending moment, moment of inertia, radius of curvature, modulus of If M, I, R, E, F, and elasticity stress and the depth of the neutral axis at section, then________________?

   A. M/I = R/E = F/Y
   B. I/M = R/E = F/Y
   C. M/I = E/R = E/Y
   D. M/I = E/R = Y/F

2. If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________?

   A. (IX + IY)/2
   B. (IX – IY)/2
   C. IX + IY
   D. (I /I )

3. If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good_______________?

   A. E = 3K (1 – 2/m)
   B. E = 2N (1 + 1/m)
   C. (3/2)K (1 – 2/m) = N (1 + 1/m)
   D. All the above

4. 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

5. 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

6. The moment of inertia of a triangular section (height h, base b) about its base, is_______________?

   A. bh²/12
   B. b²h/12
   C. bh3/12
   D. b3h/12

7. The moment of inertia of a circular section about any diameter D, is______________?

   A. /64
   B. 4/32
   C. 3/64
   D. 4/64

8. inertia of a rectangular section of width and depth about an axis passing The moment of through C.G. and parallel to its width is_______________?

   A. BD²/6
   B. BD3/6
   C. BD3/12
   D. B²D/6

9. The yield moment of a cross section is defined as the moment that will just produce the yield stress in_________________?

   A. The outer most fibre of the section
   B. The inner most fibre of the section
   C. The neutral fibre of the section
   D. The fibre everywhere

10. section modulus of a square section of side B and that of a circular section of The ratio of the diameter D, is___________________?

    A. 2 /15
    B. 3 /16
    C. 3 /8
    D. /16