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Strength of Materials problems

  • 1. 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
  • 2. The bending moment at the free end of a cantilever beam is

  • Options
  • A. zero
  • B. minimum
  • C. maximum
    • Discuss
  • 3. 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
  • 4. In a leaf spring, the deflection at the centre is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 5. A spring used to absorb shocks and vibrations is

  • Options
  • A. conical spring
  • B. torsion spring
  • C. leaf spring
  • D. disc spring
    • Discuss
  • 6. A cantilever beam is one which is

  • Options
  • A. fixed at both ends
  • B. fixed at one end and free at the other end
  • C. supported at its ends
  • D. supported on more than two supports
    • Discuss
  • 7. The hoop stress in a thick cylindrical shell is maximum at the inner radius.

  • Options
  • A. True
  • B. False
    • Discuss
  • 8. For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.

  • Options
  • A. equal to
  • B. directly proportional to
  • C. inversely proportional to
    • Discuss
  • 9. In the below figure, stress is proportional to strain, for the portion
    Mechanical Engineering Strength of Materials: In the below figure, stress is proportional to strain, for the portion

  • Options
  • A. from O to A
  • B. from A to C
  • C. from A to D
  • D. from D to E
    • Discuss
  • 10. Two closely-coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be __________ that of spring 'B'.

  • Options
  • A. one-sixteenth
  • B. one-eighth
  • C. one-fourth
  • D. one-half
    • Discuss

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