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  • Question

  • A triangular section having base b, height h, is placed with its base horizontal. If the shear stress at a depth y from top is q, the maximum shear stress is


  • Options
  • A. A triangular section having base b, height h, is placed with its base horizontal. If the shear stres
  • B. A triangular section having base b, height h, is placed with its base horizontal. If the shear stres
  • C. A triangular section having base b, height h, is placed with its base horizontal. If the shear stres
  • D. A triangular section having base b, height h, is placed with its base horizontal. If the shear stres

  • Correct Answer
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    • Strength of Materials problems

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    • 1. For a given material Young's modulus is 200 GN/m2 and modulus of rigidity is 80 GN/m2. The value of Poisson's ratio is

    • Options
    • A. 0.15
    • B. 0.20
    • C. 0.25
    • D. 0.30
    • E. 0.40
      • Discuss
    • 2. For a simply supported beam with a central load, the bending moment is

    • Options
    • A. least at the centre
    • B. least at the supports
    • C. maximum at the supports
    • D. maximum at the centre.
      • Discuss
    • 3. The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is

    • Options
    • A. 200
    • B. 240
    • C. 360
    • D. 416
    • E. 500
      • Discuss
    • 4. A reinforced concrete beam is assumed to be made of

    • Options
    • A. homogeneous material
    • B. heterogeneous material
    • C. isotropic material
    • D. none of these.
      • Discuss
    • 5. The weakest section of a diamond riveting, is the section which passes through

    • Options
    • A. first row
    • B. second row
    • C. central raw
    • D. one rivet hole of end row.
      • Discuss
    • 6. As compared to uniaxial tension or compression, the strain energy stored in bending is only

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. A simply supported beam of span L carries a concentrated load W at its mid-span. The maximum bending moment M is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 8. The radius of gyration of a rectangular section is not proportional to

    • Options
    • A. square root of the moment of inertia
    • B. square root of the inverse of the area
    • C. square root of the moment of inertia divided by area of the section
    • D. none of these.
      • Discuss
    • 9. A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10, 000 kg, the corresponding maximum shearing stress being 30 kg/cm2. The depth of the beam is

    • Options
    • A. 15 cm
    • B. 20 cm
    • C. 25 cm
    • D. 30 cm.
      • Discuss
    • 10. A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the stress developed in the helical spring is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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