Home / Mechanical Engineering / Basic Mechanical Engineering :: Basic Mechanical Engineering

Mechanical Engineering :: Basic Mechanical Engineering

  1. A simply supported beam has a uniformly distributed load on it, the bending moment diagram is
  2. A.
    triangle
    B.
    parabola
    C.
    semicircle
    D.
    rectangle

  3. Two forces of magnitude 30 N and 40 N act at right angles at a point, the magnitude of the resultant force is
  4. A.
    50N
    B.
    10N
    C.
    70N
    D.
    35N

  5. A mass of 40 kg is about to slide down when placed on a plane inclined at 30 degree to horizontal. The coefficient of friction between the plane and the mass is
  6. A.
    3/2
    B.
    2/3
    C.
    1/3
    D.
    4/3

  7. Babbitt metal is an alloy of
  8. A.
    tin, copper, antimony and lead
    B.
    copper, zinc and tin
    C.
    iron and tungsten
    D.
    tin, copper, lead and phosphorous

  9. One of the following materials is comonly used for bearings
  10. A.
    steel
    B.
    gun metal
    C.
    zinc
    D.
    aluminium

  11. Centrifugal tension in belts results in
  12. A.
    increased power transmission
    B.
    reduced power transmission
    C.
    increased belt velocity
    D.
    same power transmission

  13. In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because
  14. A.
    the belt length is smaller
    B.
    the slip is more
    C.
    the angle of contact is more
    D.
    it is safe

  15. In a flange coupling, the flange bolts are designed for
  16. A.
    fatigue
    B.
    shear forces
    C.
    compression
    D.
    tensile forces

  17. The screw thread commonly used for transmission of motion is one of the following types of threads
  18. A.
    acme
    B.
    vee
    C.
    knuckle
    D.
    British Association

  19. A cotter joint is generally used to transmit
  20. A.
    torque
    B.
    shear forces
    C.
    tensile forces
    D.
    bending forces