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Strength of Materials problems


  • 1. The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A.

  • Options
  • A. same
  • B. double
  • C. four times
  • D. six times
  • Discuss
  • 2. The shear force at apoint on a beam is the algebraic __________ of all the forces on either side of the point.

  • Options
  • A. sum
  • B. difference
  • Discuss
  • 3. When the shear force diagram is a parabolic curve between two points, it indicates that there is a

  • Options
  • A. point load at the two points
  • B. no loading between the two points
  • C. uniformly distributed load between the two points
  • D. uniformly varying load between the two points
  • Discuss
  • 4. The bending moment of a cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is __________ at the fixed end.

  • Options
  • A. wl/2
  • B. wl
  • C. wl2/2
  • D. wl2/6
  • Discuss
  • 5. The point of contraflexure occurs in

  • Options
  • A. cantilever beams
  • B. simply supported beams
  • C. overhanging beams
  • D. fixed beams
  • Discuss
  • 6. The maximum deflection of a cantilever beam of length l with a uniformly distributed load of w per unit length is (where W = wl)

  • Options
  • A.
  • B.
  • C.
  • D.
  • Discuss
  • 7. The polar modulus for a solid shaft of diameter (D) is

  • Options
  • A.
  • B.
  • C.
  • D.
  • Discuss
  • 8. The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is

  • Options
  • A.
  • B.
  • C.
  • D.
  • Discuss
  • 9. The Poisson's ratio for cast iron varies from

  • Options
  • A. 0.33 to 0.37
  • B. 0.21 to 0.26
  • C. 0.31 to 0.34
  • D. 0.32 to 0.42
  • Discuss
  • 10. The rivets are made from ductile material.

  • Options
  • A. Yes
  • B. No
  • Discuss

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