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Strength of Materials problems

  • 1. If two forces acting at a joint are not along the straight line, then for the equilibrium of the joint

  • Options
  • A. one of the forces must be zero
  • B. each force must be zero
  • C. forces must be equal and of the same sign
  • D. forces must be equal in magnitude but opposite in sign.
    • Discuss
  • 2. The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is

  • Options
  • A. less than one
  • B. equal to one
  • C. more than one
  • D. equal to 3?/16
  • E. none of these.
    • Discuss
  • 3. In case of an eccentric loading on a bracket subjected to moment M, the tangential force developed in any rivet, at right angles to its radius vector r is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 4. If a shaft is rotating N revolutions per minute with an applied torque T kg-m, the horse power being transmitted by the shaft, is

  • Options
  • A.
  • B.
  • C.
  • D.
  • E. none of these.
    • Discuss
  • 5. The force in member U2L2 of the truss shown in below figure, is
    Civil Engineering Strength of Materials: The force in member U2L2 of the truss shown in below figure, is

  • Options
  • A. 10 T tension
  • B. 10 T compression
  • C. zero
  • D. 15 T compression.
    • Discuss
  • 6. The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is

  • Options
  • A. 1/4
  • B. 1/2
  • C. 1/16
  • D. 15/16
  • E. 3/8
    • Discuss
  • 7. The shape of the bending moment diagram over the length of a beam, having no external load, is always

  • Options
  • A. linear
  • B. parabolic
  • C. cubical
  • D. circular.
    • Discuss
  • 8. If n is the ratio of internal and external diameters of a hollow shaft, the ratio of the weight of the hollow shaft and that of solid shaft of same strength, will be

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 9. In the cantilever truss as shown in below figure, the horizontal component of the reaction at A, is
    Civil Engineering Strength of Materials: In the cantilever truss as shown in below figure, the horizontal component of the reaction at A

  • Options
  • A. 30 tonnes
  • B. 60 tonnes
  • C. 90 tonnes
  • D. 120 tonnes
  • E. 150 tonnes.
    • Discuss
  • 10. If a rectangular beam measuring 10 x 18 x 400 cm carries a unformly distributed load such that the bending stress developed is 100 kg/cm2. The intensity of the load per metre length, is

  • Options
  • A. 240 kg
  • B. 250 kg
  • C. 260 kg
  • D. 270 kg
  • E. 280 kg.
    • Discuss

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