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  • Question

  • Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a concentrated load W at its free end, is


  • Options
  • A. Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a co
  • B. Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a co
  • C. Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a co
  • D. Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a co

  • Correct Answer
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    • Strength of Materials problems

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    • 1. For the beam shown in below figure, the maximum positive bending moment is nearly equal to negative bending moment when L1 is equal to

    • Options
    • A. 1.0 L
    • B. 0.7 L
    • C. 0.5 L
    • D. 0.35 L.
      • Discuss
    • 2. For a simply supported beam carrying uniformly distributed load W on it entire length L, the maximum bending moment is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 3. The section modulus of a rectangular light beam 25 metres long is 12.500 cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is

    • Options
    • A. 13.33 kg/cm2 tensile
    • B. 13.33 kg/cm2 compressive
    • C. 26.67 kg/cm2 tensile
    • D. 26.67 kg/cm2 compressive
    • E. none of these.
      • Discuss
    • 4. Along the neutral axis of a simply supported beam

    • Options
    • A. fibres do not undergo strain
    • B. fibres undergo minimum strain
    • C. fibres undergo maximum strain
    • D. none of these.
      • Discuss
    • 5. The force in BD of the truss shown in below figure is :

    • Options
    • A. 500 kg compressive
    • B. 500 kg tensile
    • C. 1500 kg tensile
    • D. 1500 kg compressive
    • E. zero.
      • Discuss
    • 6. In a three hinged arch, the bending moment will be zero

    • Options
    • A. at right hinge only
    • B. at left hinge only
    • C. at both right and left hinges
    • D. at all the three hinges.
      • Discuss
    • 7. The ratio of the moments of resistance of a solid circular shaft of diameter D and a hollow shaft (external diameter D and internal diameter d), is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. none of these.
      • Discuss
    • 8. The moment diagram for a cantilever carrying a concentrated load at its free end, will be

    • Options
    • A. triangle
    • B. rectangle
    • C. parabola
    • D. cubic parabola.
      • Discuss
    • 9. The stress at which extension of a material takes place more quickly as compared to the increase in load, is called

    • Options
    • A. elastic point
    • B. plastic point
    • C. breaking point
    • D. yielding point.
      • Discuss
    • 10. A composite member shown in below figure was formed at 25°C and was made of two materials a and b. If the coefficient of thermal expansion of a is more than that of b and the composite member is heated upto 45°C, then

    • Options
    • A. a will be in tension and b in compression
    • B. both will be in compression
    • C. both will be in tension
    • D. a will be in compression and b in tension.
      • Discuss

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