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Home Mechanical Engineering Strength of Materials Comments

  • Question
  • The values of equivalent length (L) and actual length (l) of a column for both ends hinged is the same


  • Options
  • A. Yes
  • B. No

  • Correct Answer
  • Yes 


  • Strength of Materials problems


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    • 1. The perpendicular distance between the centre lines of the successive rows, is called pitch.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 2. A square beam and a circular beam have the same length, same allowable stress and the same bending moment. The ratio of weights of the square beam to the circular beam is

    • Options
    • A. 1/2
    • B. 1
    • C. 1/1.12
    • D. 1/2
    • Discuss
    • 3. The lower layer of the beam as shown in the below figure, will be

    • Options
    • A. in tension
    • B. in compression
    • C. neither in tension nor in compression
    • Discuss
    • 4. The columns whose slenderness ratio is less than 80, are known as

    • Options
    • A. short columns
    • B. long columns
    • C. weak columns
    • D. medium columns
    • Discuss
    • 5. A section of beam is said to be in pure bending, if it is subjected to

    • Options
    • A. constant bending moment and constant shear force
    • B. constant shear force and zero bending moment
    • C. constant bending moment and zero shear force
    • D. none of the above
    • Discuss
    • 6. When a body is subjected to a direct tensile stress (?) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle ? to the normal of the section is

    • Options
    • A. ? sin 2?
    • B. ? cos 2?
    • C. ?/2 sin 2?
    • D. ?/2 cos 2?
    • Discuss
    • 7. The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is

    • Options
    • A. in the vertical plane
    • B. in the horizontal plane
    • C. in the same plane in which the beam bends
    • D. at right angle to the plane in which the beam bends
    • Discuss
    • 8. The distance between the centre of a rivet hole to the nearest edge of plate, is called

    • Options
    • A. margin
    • B. pitch
    • C. back pitch
    • D. diagonal pitch
    • Discuss
    • 9. The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, l = Original length of the body, A = Cross-sectional area of the body, and E = Young's modulus for the material of the body)

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 10. A steel bar 2 m long, 20 mm wide and 10 mm thick is subjected to a pull of 2 kN. If the same bar is subjected to a push of 2 kN, the Poission's ratio of the bar in tension will be __________ the Poisson's ratio for the bar in compression.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
    • Discuss


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