A. Sum of moment of inertia is zero
B. Difference of moment inertia is zero
C. Product of moment of inertia is zero
D. None of these
Related Mcqs:
- The locus of the moment of inertia about inclined axes to the principal axis, is______________?
A. Straight line
B. Parabola
C. Circle
D. Ellipse - 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 ) - A rectangular column shown in the given figure carries a load P having eccentricities ex and ey along X and Y axes. The stress at any point (x, y) is_______________?
A. (p/bd) [1 + (12ey. y/d²) + (12ex. x/d²)]
B. p [1 + (6ey. y/b) + (6ex. x/ b)]
C. (p/bd) [1 + (6ey. y/d) + (6ex. x/b)]
D. (p/bd) [1 + (ey. y/d) + ( ex. x/d)] - Maximum principal stress theory for the failure of a material at elastic point, is known________________?
A. Guest’s or Trecas’ theory
B. St. Venant’s theory
C. Rankine’s theory
D. Von Mises’ theory - Principal planes are subjected to_________________?
A. Normal stresses only
B. Tangential stresses only
C. Normal stresses as well as tangential stresses
D. None of these - A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be_________________?
A. 2/3
B. 3/2
C. 8/5
D. 5/8 - In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is_________________?
A. L/2
B. L/3
C. L/4
D. L/5 - In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is__________________?
A. L/2
B. L/3
C. L/4
D. L/5 - The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is_________________?
A. wl3/3EI
B. wl4/3EI
C. wl4/8EI
D. wl4/12EI - A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be________________?
A. 10 m
B. 12 m
C. 14 m
D. 16 m
