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  • Question
  • Within elastic limit, shear stress is __________ shear strain.


  • Options
  • A. equal to
  • B. less than
  • C. directly proportional to
  • D. inversely proportional to

  • Correct Answer
  • directly proportional to 


  • Strength of Materials problems


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    • 1. The maximum bending moment of a simply supported beam of span l and carrying a point load W at the centre of beam, is

    • Options
    • A. Wl/4
    • B. Wl/2
    • C. Wl
    • D. Wl2/4
    • Discuss
    • 2. A pressure vessel is said to be a thick shell, when

    • Options
    • A. it is made of thick sheets
    • B. the internal pressure is very high
    • C. the ratio of wall thickness of the vessel to its diameter is less than 1/10.
    • D. the ratio of wall thickness of the vessel to its diameter is greater than 1/10.
    • Discuss
    • 3. In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.

    • Options
    • A. decreases slowly
    • B. increases slowly
    • C. decreases more quickly
    • D. increases more quickly
    • Discuss
    • 4. In the above question, the ratio of stiffness of spring 'B' to spring 'A' will be

    • Options
    • A. 2
    • B. 4
    • C. 6
    • D. 8
    • Discuss
    • 5. When a body is subjected to a direct tensile stress (?) in one plane, then normal stress on an oblique section of the body inclined at an angle ? to the normal of the section is

    • Options
    • A. ? cos ?
    • B. ? cos2 ?
    • C. ? sin ?
    • D. ? sin2 ?
    • Discuss
    • 6. The planes, which carry no shear stress, are known as principal planes.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. In the below figure, the plastic range occurs

    • Options
    • A. before point A
    • B. beyond point A
    • C. between points A and D
    • D. between points D and E
    • Discuss
    • 8. The stiffness of a closely-coiled helical spring is __________ proportional to number of turns.

    • Options
    • A. directly
    • B. inversely
    • Discuss
    • 9. The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is

    • Options
    • A. 2/3
    • B. 3/4
    • C. 1
    • D. 9/8
    • Discuss
    • 10. A beam of triangular section is placed with its base horizontal. The maximum shear stress occurs at

    • Options
    • A. apex of the triangle
    • B. mid of the height
    • C. centre of gravity of the triangle
    • D. base of the triangle
    • Discuss


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