A shaft subjected to a bending moment M and a torque T, experiences__________________?

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 the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (f /N)s__________________?

   A. 1/2
   B. 1/3
   C. 1/4
   D. 1/5

3. 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

4. If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is_________________?

   A. 0.001
   B. 0.002
   C. 0.0025
   D. 0.003

5. A cantilever of length is subjected to a bending moment at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is_________________?

   A. ML/EI
   B. ML/2EI
   C. ML²/2EI
   D. ML²/3EI

6. A shaft rotating N.R.M. under a torque T, transmits a power_______________?

   A. /30 Newton metres/sec
   B. /30 Newton metres/min
   C. /60 Newton metres/min
   D. /60 Newton metres/sec

7. If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?

   A. D4 – d4)
   B. D4 – d4)
   C. D4 – d4)
   D. D4 – d4)

8. The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is_________________?

   A. WI/2
   B. WI²/4
   C. WI²/8
   D. WI²/12

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. 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