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

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 a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec________________?

   A. 264 MN
   B. 274 MN
   C. 284 MN
   D. 294 MN

3. 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

4. A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is_______________?

   A. [W (1 + f/ G)]/ A
   B. (1 – g/f)/A
   C. [W (2 + f/G)]/A
   D. [W (2 + g/f)]/A

5. 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 )

6. 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

7. 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

8. The ratio of the area of cross-section of a circular section to the area of its core, is_______________?

   A. 4
   B. 8
   C. 12
   D. 16

9. 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

10. 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