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Home ‣ Mechanical Engineering ‣ Strength of Materials Comments
  • Question

  • An overhanging beam must overhang on both sides.


  • Options
  • A. Correct
  • B. Incorrect

  • Correct Answer
  • Correct 

    • Strength of Materials problems

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    • 1. The Rankine's theory for active earth pressure is based on the assumption that

    • Options
    • A. the retained material is homogeneous and cohesionless
    • B. the frictional resistance between the retaining wall and the retained material is neglected
    • C. the failure of the retained material takes place along a plane called rupture plane
    • D. all of the above
      • Discuss
    • 2. The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.

    • Options
    • A. equal to
    • B. half
    • C. one-third
    • D. two-third
      • Discuss
    • 3. The efficiency of a riveted joint is the ratio of the strength of the joint to the strength of the solid plate.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The shear force of a simply supported beam carrying a central point load changes sign at its midpoint.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 5. For a 25 mm hole drilled in plates, the diameter of rivet shank should be

    • Options
    • A. 23mm
    • B. 24.5mm
    • C. 25mm
    • D. 26mm
      • Discuss
    • 6. A thin spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is

    • Options
    • A. pd/t
    • B. pd/2t
    • C. pd/4t
    • D. pd/8t
      • Discuss
    • 7. The maximum tangential stress in a thick cylindrical shell is always __________ the internal pressure acting on the shell.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
      • Discuss
    • 8. The bending moment in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length is

    • Options
    • A. zero
    • B. wl2/2
    • C. wl2/4
    • D. wl2/8
      • Discuss
    • 9. The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as

    • Options
    • A. impact energy
    • B. proof resilience
    • C. proof stress
    • D. modulus of resilience
      • Discuss
    • 10. The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (?x and ?y) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle ? with the minor principle plane is given by

    • Options
    • A. OC
    • B. OP
    • C. OQ
    • D. PQ
      • Discuss

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