Home / Mechanical Engineering / Strength of Materials :: Section 8

Mechanical Engineering :: Strength of Materials

  1. Which of the following is the correct torsion equation?


  2. According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2 In this equation, the value of C for a column with both ends hinged, is

  3. A.
    1/4
    B.
    1/2
    C.
    1
    D.
    2

  4. The strength of the shaft is judged by the torque transmitted by the shaft.

  5. A.
    Yes
    B.
    No

  6. 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.

  7. A.
    True
    B.
    False

  8. In a riveted joint, when the number of rivets decreases from the inner most row to outer most row, the joint is said to be

  9. A.
    chain riveted
    B.
    zig-zag riveted
    C.
    diamond riveted
    D.
    none of these

  10. A spring, when loaded, is permanently distorted and recover its original shape when the load is removed.

  11. A.
    Agree
    B.
    Disagree

  12. When a rectangular beam is loaded longitudinally, the shear force develops on the top layer.

  13. A.
    Agree
    B.
    Disagree

  14. The capacity of a strained body for doing work on the removal of the straining force, is called

  15. A.
    strain energy
    B.
    resilience
    C.
    proof resilience
    D.
    impact energy

  16. The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The tangential stress is given by

  17. A.
    OC
    B.
    OP
    C.
    OQ
    D.
    PQ

  18. The hoop stress in a thin cylindrical shell is

  19. A.
    longitudinal stress
    B.
    compressive stress
    C.
    radial stress
    D.
    circumferential tensile stress