Home / Mechanical Engineering / Strength of Materials :: Section 6

Mechanical Engineering :: Strength of Materials

  1. For the two shafts connected in parallel and subjected to twisting moment, the angle of twist of each shaft will be same.

  2. A.
    Yes
    B.
    No

  3. For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.

  4. A.
    equal to
    B.
    directly proportional to
    C.
    inversely proportional to

  5. A spring used to absorb shocks and vibrations is

  6. A.
    conical spring
    B.
    torsion spring
    C.
    leaf spring
    D.
    disc spring

  7. The shear stress at the centre of a circular shaft under torsion is

  8. A.
    zero
    B.
    minimum
    C.
    maximum
    D.
    infinity

  9. At the neutral axis of a beam, the shear stress is

  10. A.
    zero
    B.
    minimum
    C.
    maximum
    D.
    infinity

  11. In a leaf spring, the deflection at the centre is


  12. The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal.

  13. A.
    Agree
    B.
    Disagree

  14. A cantilever beam is one which is

  15. A.
    fixed at both ends
    B.
    fixed at one end and free at the other end
    C.
    supported at its ends
    D.
    supported on more than two supports

  16. The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is

  17. A.
    in the vertical plane
    B.
    in the horizontal plane
    C.
    in the same plane in which the beam bends
    D.
    at right angle to the plane in which the beam bends

  18. A pressure vessel is said to be a thick shell, when

  19. A.
    it is made of thick sheets
    B.
    the internal pressure is very high
    C.
    the ratio of wall thickness of the vessel to its diameter is less than 1/10.
    D.
    the ratio of wall thickness of the vessel to its diameter is greater than 1/10.