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  • Question
  • The design of thin cylindrical shells is based on


  • Options
  • A. hoop stress
  • B. longitudinal stress
  • C. arithmetic mean of the hoop and the longitudinal stress
  • D. geometric mean of the hoop and longitudinal stress

  • Correct Answer
  • hoop stress 


  • Strength of Materials problems


    Search Results


    • 1. The breaking stress is __________ the ultimate stress.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
    • Discuss
    • 2. The pull required to crush the rivet per pitch length is

    • Options
    • A. p.t.?t
    • B. d.t.?c
    • C. ?/4 x d2 x ?t
    • D. ?/4 x d2 x ?c
    • Discuss
    • 3. The unit of modulus of elasticity is same as those of

    • Options
    • A. stress, strain and pressure
    • B. stress, force and modulus of rigidity
    • C. strain, force and pressure
    • D. stress, pressure and modulus of rigidity
    • Discuss
    • 4. A shaft revolving at ? rad / s transmits torque (T) in N-m. The power developed is

    • Options
    • A. T.? watts
    • B. 2 ? T? watts
    • C. watts
    • D. watts
    • Discuss
    • 5. Strain is equal to (where l = Original length, and ?l = Change in length)

    • Options
    • A. l/?l
    • B. ?l/l
    • C. l.?l
    • D. l + ?l
    • Discuss
    • 6. Which of the following statement is wrong?

    • Options
    • A. In the theory of simple bending, the assumption is that the plane sections before bending remains plane after bending.
    • B. In a beam subjected to bending moment, the strain is directly proportional to the distance from the neutral axis.
    • C. At the neutral axis of a beam, the bending stress is maximum.
    • D. The bending stress in a beam is inversely proportional to the section modulus.
    • Discuss
    • 7. According to Euler's column theory, the crippling load of a column is given by p = ?2 EI/Cl2. In the Euler's formula, the value of C for a column with one end fixed and the other end free, is

    • Options
    • A. 1/2
    • B. 1
    • C. 2
    • D. 4
    • Discuss
    • 8. A simply supported beam 'A' of length l, breadth b and depth d carries a central load W. Another beam 'B' of the same dimensions carries a central load equal to 2 W. The deflection of beam 'B' will be __________ as that of beam 'A'.

    • Options
    • A. one-fourth
    • B. one-half
    • C. double
    • D. four times
    • Discuss
    • 9. The ratio of the largest load in a test to the original cross-sectional area of the test piece is called

    • Options
    • A. elastic limit
    • B. yield stress
    • C. ultimate stress
    • D. breaking stress
    • Discuss
    • 10. If the modulus of elasticity of a material is twice its modulus of rigidity, then the Poisson's ratio of the material is equal to zero.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss


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