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Strength of Materials problems

  • 1. When a rectangular beam is loaded longitudinally, the shear force develops on the top layer.

  • Options
  • A. Agree
  • B. Disagree
    • Discuss
  • 2. When a body is subjected to a direct tensile stress (?x) in one plane accompanied by a simple shear stress (?xy), the maximum shear stress is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 3. In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure

  • Options
  • A. lies in the centre of the beam
  • B. lies at the ends of the beam
  • C. depends upon the length of beam
  • D. does not exist
    • Discuss
  • 4. A riveted joint may fail by

  • Options
  • A. tearing of the plate at an edge
  • B. tearing of the plate across a row of rivets
  • C. shearing of rivets
  • D. any one of these
    • Discuss
  • 5. Which of the following is a proper sequence?

  • Options
  • A. proportional limit, elastic limit, yielding, failure
  • B. elastic limit, proportional limit, yielding, failure
  • C. yielding, proportional limit, elastic limit, failure
  • D. none of the above
    • Discuss
  • 6. According to Unwin's formula, the relation between diameter of rivet hole (d) and thickness of plate (t) is given by (where d and t are in mm)

  • Options
  • A. d = t
  • B. d = 1.6 t
  • C. d = 2t
  • D. d = 6 t
    • Discuss
  • 7. The bending moment diagram for a simply supported beam loaded in its centre is

  • Options
  • A. a right angled triangle
  • B. an issoscles triangle
  • C. an equilateral triangle
  • D. a rectangle
    • Discuss
  • 8. A shear stress across a plane, is always accompanied by a balancing shear stress across the plane and normal to it.

  • Options
  • A. True
  • B. False
    • Discuss
  • 9. The total strain energy stored in a body is called proof resilience.

  • Options
  • A. Agree
  • B. Disagree
    • Discuss
  • 10. In the below figure, curve D represents mild steel.
    Mechanical Engineering Strength of Materials: In the below figure, curve D represents mild steel.

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

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