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  • Question
  • 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

  • Correct Answer
  • four times 


  • Strength of Materials problems


    Search Results


    • 1. 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
    • 2. In a beam where shear force changes sign, the bending moment will be

    • Options
    • A. zero
    • B. minimum
    • C. maximum
    • D. infinity
    • Discuss
    • 3. A lap joint is always in __________ shear.

    • Options
    • A. single
    • B. double
    • Discuss
    • 4. 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
    • 5. 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

    • Options
    • A. OC
    • B. OP
    • C. OQ
    • D. PQ
    • Discuss
    • 6. The shear force at apoint on a beam is the algebraic __________ of all the forces on either side of the point.

    • Options
    • A. sum
    • B. difference
    • Discuss
    • 7. When the shear force diagram is a parabolic curve between two points, it indicates that there is a

    • Options
    • A. point load at the two points
    • B. no loading between the two points
    • C. uniformly distributed load between the two points
    • D. uniformly varying load between the two points
    • Discuss
    • 8. The bending moment of a cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is __________ at the fixed end.

    • Options
    • A. wl/2
    • B. wl
    • C. wl2/2
    • D. wl2/6
    • Discuss
    • 9. The point of contraflexure occurs in

    • Options
    • A. cantilever beams
    • B. simply supported beams
    • C. overhanging beams
    • D. fixed beams
    • Discuss
    • 10. The maximum deflection of a cantilever beam of length l with a uniformly distributed load of w per unit length is (where W = wl)

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


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