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.Management Sciences
Category: Theory of Structures
Total strain energy theory for the failure of a material at elastic limit, is known_________________?
A. Guest’s or Trecas’ theory
B. St. Venant’s theory
C. Rankine’s theory
D. Haig’s theory
For the close coil helical spring of the maximum deflection is__________________?
A. WD3n/d4N
B. 2WD3n/d4N
C. 4W²D3n/d4N
D. 8WD3n/d4N
Pick up the correct statement from the following?
A. For a uniformly distributed load, the shear force varies linearly
B. For a uniformly distributed load, B.M. curve is a parabola
C. For a load varying linearly, the shear force curve is a parabola
D. All the above
For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is________________?
A. ( /2) t fs
B. ( /2) t fs
C. D2t fs
D. ( /4) fs
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)]
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
A body is said to be in equilibrium if___________________?
A. It moves horizontally
B. It moves vertically
C. It rotates about its C.G.
D. None of these
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