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________________?

Related Mcqs:

1. A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is____________________?

   A. M/T
   B. T/M
   C. 2M/ T
   D. 2T/M

2. 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

3. 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

4. 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 )

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

   A. Depth of the section
   B. Depth of the neutral axis
   C. Maximum tensile stress at the section
   D. Maximum compressive stress at the section

6. 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

7. The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is__________________?

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

8. The locus of the moment of inertia about inclined axes to the principal axis, is______________?

   A. Straight line
   B. Parabola
   C. Circle
   D. Ellipse

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. The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________?

    A. D/2
    B. D
    C. D
    D. D