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Strength of Materials problems

  • 1. The polar modulus for a hollow shaft of outer diameter (D) and inner diameter (d) is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 2. The bending equation is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 3. In a riveted joint, when the number of rivets decreases from the inner most row to outer most row, the joint is said to be

  • Options
  • A. chain riveted
  • B. zig-zag riveted
  • C. diamond riveted
  • D. none of these
    • Discuss
  • 4. The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.

  • Options
  • A. equal to
  • B. one-half
  • C. twice
  • D. four times
    • Discuss
  • 5. The section modulus of a circular section about an axis through its C.G., is

  • Options
  • A. ?d2/4
  • B. ?d2/16
  • C. ?d3/16
  • D. ?d3/32
    • Discuss
  • 6. The hoop stress in a thin cylindrical shell is

  • Options
  • A. longitudinal stress
  • B. compressive stress
  • C. radial stress
  • D. circumferential tensile stress
    • Discuss
  • 7. Which of the following is the correct torsion equation?

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 8. The rectangular beam 'A ' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.

  • Options
  • A. same
  • B. one-halt
  • C. one-fourth
  • D. one-eighth
    • Discuss
  • 9. A pressure vessel is said to be a thin shell when the ratio of wall thickness of the vessel to its diameter is __________ 1/10.

  • Options
  • A. equal to
  • B. less than
  • C. greater than
    • Discuss
  • 10. The strength of the shaft is judged by the torque transmitted by the shaft.

  • Options
  • A. Yes
  • B. No
    • Discuss

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