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Home ‣ Mechanical Engineering ‣ Strength of Materials Comments
  • Question

  • The factor of safety is always more than unity.


  • Options
  • A. Correct
  • B. Incorrect

  • Correct Answer
  • Correct 

    • Strength of Materials problems

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    • 1. In the below figure, curve C represents soft brass.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The rivets are used for __________ fastenings.

    • Options
    • A. permanent
    • B. temporary
      • Discuss
    • 3. Which of the following statement is correct?

    • Options
    • A. The size of hole drilled in riveting plates is less than the actual size of rivet.
    • B. The centre to centre distance between two consecutive rivets in a row is called margin.
    • C. Rivets are generally specified by its shank diameter.
    • D. Tearing of plates can be avoided by taking the pitch of rivets equal to 1.5 times the diameter of rivet hole.
      • Discuss
    • 4. The maximum bending moment for a simply supported beam with a gradually varying load from zero at both ends and w per metre at the centre, lies at the centre of a beam.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 5. A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The minimum tangential stress at the outer surface of the shell is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. When a body is subjected to direct tensile stresses (?x and ?y ) in two mutually perpendicular directions, accompanied by a simple shear stress ?xy , then in Mohr's circle method, the circle radius is taken as

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. The assumption, generally, made in the theory of simple bending is that

    • Options
    • A. the beam material is perfectly homogenous and isotropic
    • B. the beam material is stressed within its elastic limit
    • C. the plane sections before bending remain plane after bending
    • D. all of the above
      • Discuss
    • 8. The bending moment at the free end of a cantilever beam is

    • Options
    • A. zero
    • B. minimum
    • C. maximum
      • Discuss
    • 9. For the two shafts connected in parallel and subjected to twisting moment, the angle of twist of each shaft will be same.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 10. In a leaf spring, the deflection at the centre is

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

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