A. bh²/12
B. b²h/12
C. bh3/12
D. b3h/12
Related Mcqs:
- The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is_________________?
A. 1.0
B. 1.5
C. 2.0
D. 3.0 - 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 ) - 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 - 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 - 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 - The moment of inertia of a circular section about any diameter D, is______________?
A. /64
B. 4/32
C. 3/64
D. 4/64 - 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) - 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 - The locus of the moment of inertia about inclined axes to the principal axis, is______________?
A. Straight line
B. Parabola
C. Circle
D. Ellipse - In plastic analysis, the shape factor for a triangular section, is_________________?
A. 1.5
B. 1.34
C. 2.34
D. 2.5
