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Home ‣ Mechanical Engineering ‣ Strength of Materials Comments
  • Question

  • The torsional rigidity of a shaft is expressed by the torque required to produce a twist of one radian per unit length of a shaft.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Strength of Materials problems

    Search Results

    • 1. Factor of safety is defined as the ratio of

    • Options
    • A. ultimate stress to working stress
    • B. working stress to ultimate stress
    • C. breaking stress to ultimate stress
    • D. ultimate stress to breaking stress
      • Discuss
    • 2. The centre to centre distance, between two consecutive rivets in a row, is called

    • Options
    • A. margin
    • B. pitch
    • C. back pitch
    • D. diagonal pitch
      • Discuss
    • 3. Lame's theory is associated with

    • Options
    • A. thin cylindrical shells
    • B. thick cylindrical shells
    • C. direct and bending stresses
    • D. none of these
      • Discuss
    • 4. In the below figure, the point B represents upper yield point.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 5. If percentage elongation of a certain specimen made of a material 'A' under tensile test is 30% and the percentage elongation of a specimen with same dimensions made of another material 'B' is 40%, then material 'B' is more ductile than material 'A'.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 6. When a rectangular beam is loaded transversely, the maximum tensile stress is developed on the

    • Options
    • A. top layer
    • B. bottom layer
    • C. neutral axis
    • D. every cross-section
      • Discuss
    • 7. For a given stress, the ratio of moment of resistance of a beam of square cross-section when placed with its two sides horizontal to the moment of resistance with its diagonal horizontal, is

    • Options
    • A. 1/2
    • B. 1
    • C. 1/2
    • D. 2
      • Discuss
    • 8. A fixed beam is one which is fixed at __________ of its ends.

    • Options
    • A. one
    • B. both
      • Discuss
    • 9. The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. The bending moment on a section is maximum where shear force is

    • Options
    • A. minimum
    • B. maximum
    • C. changing sign
    • D. zero
      • Discuss

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