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Home ‣ Mechanical Engineering ‣ Strength of Materials Comments
  • Question

  • The direct stress, across a principal plane, is known as principal stress.


  • Options
  • A. Yes
  • B. No

  • Correct Answer
  • Yes 

    • Strength of Materials problems

    Search Results

    • 1. A pressure vessel is said to be a thin shell when it is made of thin sheets.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 2. In a riveted joint, when the rivets in the various rows are opposite to each other, the joint is said to be

    • Options
    • A. chain riveted
    • B. zig-zag riveted
    • C. diamond riveted
    • D. none of these
      • Discuss
    • 3. In the below figure, the point C represents

    • Options
    • A. elastic limit
    • B. upper yield point
    • C. lower yield point
    • D. breaking point
      • Discuss
    • 4. When a body is subjected to bi-axial stress i.e. direct stresses (?x) and (?y) in two mutually perpendicular planes accompanied by a simple shear stress (?xy), then minimum normal stress is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. In order to avoid tearing off the plate at an edge, the distance from the centre of the rivet hole to the nearest edge of the plate (i.e. margin) should be (where d = Diameter of rivet hole in mm)

    • Options
    • A. d
    • B. 1.5 d
    • C. 2 d
    • D. 2.5 d
      • Discuss
    • 6. A beam encastered at both the ends is called

    • Options
    • A. simply supported beam
    • B. fixed beam
    • C. cantilever beam
    • D. continuous beam
      • Discuss
    • 7. A thin cylindrical shell of diameter (d), length (l) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to hoop strain is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. According to Euler's column theory, the crippling load for a column length (l) hinged at both ends, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. The ratio of bulk modulus to Young's modulus for a Poisson's ratio of 0.25 will be

    • Options
    • A. 1/3
    • B. 2/3
    • C. 1
    • D. 3/2
      • Discuss
    • 10. When a column is subjected to an eccentric load, the stress induced in the column will be

    • Options
    • A. direct stress only
    • B. bending stress only
    • C. shear stress only
    • D. direct and bending stress both
      • Discuss

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