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  • 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 tangential stress 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
  • PQ 


  • Strength of Materials problems


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    • 1. The Rankine's constant for a mild steel column with both ends hinged is

    • Options
    • A. 1/750
    • B. 1/1600
    • C. 1/7500
    • D. 1/9000
    • Discuss
    • 2. The moment of resistance of a balanced reinforced concrete beam is based on the stresses in

    • Options
    • A. steel only
    • B. concrete only
    • C. steel and concrete both
    • D. none of these
    • Discuss
    • 3. 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 hinged, is 1/2.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. In the below figure, curve D represents mild steel.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 5. The total strain energy stored in a body is called proof resilience.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 6. Modulus of rigidity may be defined as the ratio of

    • Options
    • A. linear stress to lateral strain
    • B. lateral strain to linear strain
    • C. linear stress to linear strain
    • D. shear stress to shear strain
    • Discuss
    • 7. The maximum bending moment for the beam shown in the below figure, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 8. When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 9. The shear force at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at the centre, is

    • Options
    • A. zero
    • B. wl/4
    • C. wl/2
    • D. wl2/2
    • Discuss
    • 10. The shear force at a certain point on a beam changes sign from +ve value to -ve value or vice versa. The bending moment at that point will be zero.

    • Options
    • A. True
    • B. False
    • Discuss


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