Home / Mechanical Engineering / Machine Design :: Section 2

Mechanical Engineering :: Machine Design

  1. The rolling contact bearings are known as

  2. A.

    thick lubricated bearings

    B.

    plastic bearings

    C.

    thin lubricated bearings

    D.

    antifriction bearings

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. The backlash for spur gears depends upon

  4. A.

    module

    B.

    pitch line velocity

    C.

    tooth profile

    D.

    both (a) and (b)

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. The size of a gear is usually specified by

  6. A.

    pressure angle

    B.

    pitch circle diameter

    C.

    circular pitch

    D.

    diametral pitch

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be

  8. A.

    εc + 2εl

    B.

    c + εl

    C.

    εc + εl2

    D.

    εc2 + εl

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. The bearings of heavy series have capacity __________ over the medium series.

  10. A.

    10 to 20%

    B.

    20 to 30%

    C.

    30 to 40%

    D.

    40 to 50%

    View Answer

    Workspace

    Discuss Discuss in Forum