logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Strength of Materials Comments

  • Question
  • The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (?x and ?y) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle ? with the minor principle plane is given by
    The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (?x a


  • Options
  • A. OC
  • B. OP
  • C. OQ
  • D. PQ

  • Correct Answer
  • OQ 


  • Strength of Materials problems


    Search Results


    • 1. The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as

    • Options
    • A. impact energy
    • B. proof resilience
    • C. proof stress
    • D. modulus of resilience
    • Discuss
    • 2. The bending moment in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length is

    • Options
    • A. zero
    • B. wl2/2
    • C. wl2/4
    • D. wl2/8
    • Discuss
    • 3. The maximum tangential stress in a thick cylindrical shell is always __________ the internal pressure acting on the shell.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
    • Discuss
    • 4. A thin spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is

    • Options
    • A. pd/t
    • B. pd/2t
    • C. pd/4t
    • D. pd/8t
    • Discuss
    • 5. An overhanging beam must overhang on both sides.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 6. If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material 'B' is 40%, then

    • Options
    • A. the material A is more ductile than material B
    • B. the material B is more ductile than material A
    • C. the ductility of material A and B is equal
    • D. the material A is brittle and material B is ductile
    • Discuss
    • 7. A lap joint is always in __________ shear.

    • Options
    • A. single
    • B. double
    • Discuss
    • 8. In a beam where shear force changes sign, the bending moment will be

    • Options
    • A. zero
    • B. minimum
    • C. maximum
    • D. infinity
    • Discuss
    • 9. When a thin cylindrical shell is subjected to an internal pressure, there will be

    • Options
    • A. a decrease in diameter and length of the shell
    • B. an increase in diameter and decrease in length of the shell
    • C. a decrease in diameter and increase in length of the shell
    • D. an increase in diameter and length of the shell
    • Discuss
    • 10. The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A.

    • Options
    • A. same
    • B. double
    • C. four times
    • D. six times
    • Discuss


    Comments

    There are no comments.

Enter a new Comment