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Home Mechanical Engineering Strength of Materials Comments

  • Question
  • If the diameter of pressure vessel is 15 times the wall thickness, the vessel is said to be a thick shell.


  • Options
  • A. Agree
  • B. Disagree

  • Correct Answer
  • Agree 


  • Strength of Materials problems


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    • 1. The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called

    • Options
    • A. compressive stress
    • B. shear stress
    • C. bending stress
    • D. elastic modulus
    • Discuss
    • 2. The maximum bending moment of a simply supported beam with central point load lies at the point of loading.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The maximum shear stress developed in a beam of rectangular section is __________ the average shear stress.

    • Options
    • A. equal to
    • B. 4/3 times
    • C. 1.5 times
    • D. twice
    • Discuss
    • 4. The strength of a riveted joint is equal to the

    • Options
    • A. pull required to tear off the plate per pitch length (Pt)
    • B. pull required to shear off the rivet per pitch length (Ps)
    • C. pull required to crush the rivet per pitch length (Pc)
    • D. minimum value of Pt, Ps or Pc
    • Discuss
    • 5. When a change in length takes place, the strain is known as

    • Options
    • A. linear strain
    • B. lateral strain
    • C. volumetric strain
    • D. shear strain
    • Discuss
    • 6. In the below figure, Hook's law holds good, for the portion from O to A.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 7. When the shear force diagram between any two points is an inclined straight line, it indicates that there is a uniformly varying load between the two points.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 8. The maximum bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length lies at the middle of its length.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be

    • Options
    • A. 400 MPa
    • B. 500 MPa
    • C. 900 MPa
    • D. 1400 MPa
    • Discuss
    • 10. The strain energy stored in a body, when the load is gradually applied, is (where ? = Stress in the material of the body, V = Volume of the body, and E = Modulus of elasticity of the material)

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss


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