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Strength of Materials problems

  • 1. In the below figure, Hook's law holds good, for the portion from O to A.
    Mechanical Engineering Strength of Materials: In the below figure, Hook's law holds good, for the portion from O to A.

  • Options
  • A. Agree
  • B. Disagree
    • Discuss
  • 2. When the shear force diagram between any two points is an inclined straight line, it indicates that there is a uniformly varying load between the two points.

  • Options
  • A. Yes
  • B. No
    • Discuss
  • 3. The maximum bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length lies at the middle of its length.

  • Options
  • A. True
  • B. False
    • Discuss
  • 4. A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be

  • Options
  • A. 400 MPa
  • B. 500 MPa
  • C. 900 MPa
  • D. 1400 MPa
    • Discuss
  • 5. The strain energy stored in a body, when the load is gradually applied, is (where ? = Stress in the material of the body, V = Volume of the body, and E = Modulus of elasticity of the material)

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 6. The maximum shear stress in a thin cylindrical shell subjected to internal pressure p is

  • Options
  • A. pd/t
  • B. pd/2t
  • C. pd/4t
  • D. pd/8t
    • Discuss
  • 7. The maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.
    Mechanical Engineering Strength of Materials: The maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.

  • Options
  • A. radius
  • B. diameter
  • C. circumference
  • D. area
    • Discuss
  • 8. The section modulus of a rectangular section about an axis through its C.G., is

  • Options
  • A. b/2
  • B. d/2
  • C. bd2/2
  • D. bd2/6
    • Discuss
  • 9. A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.

  • Options
  • A. Correct
  • B. Incorrect
    • Discuss
  • 10. A simply supported beam of length l carries a point load W at a point C as shown in the below figure. The maximum deflection lies at
    Mechanical Engineering Strength of Materials: A simply supported beam of length l carries a point load W at a point C as show

  • Options
  • A. point A
  • B. point B
  • C. point C
  • D. between points B and C
    • Discuss

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