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Mechanical Engineering :: Machine Design

  1. A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as

  2. A.

    sunk key

    B.

    flat saddle key

    C.

    hollow saddle key

    D.

    tangent key


  3. When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as

  4. A.

    angular bevel gears

    B.

    crown bevel gears

    C.

    internal bevel gears

    D.

    mitre gears


  5. A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called

  6. A.

    zero film bearing

    B.

    boundary lubricated bearing

    C.

    hydrodynamic lubricated bearing

    D.

    hydrostatic lubricated bearing


  7. In case of pressure vessels having closed ends, the fluid pressure induces

  8. A.

    longitudinal stress

    B.

    longitudinal stress

    C.

    shear stress

    D.

    none of these


  9. A machine part subjected to __________ is called a strut.

  10. A.

    an axial tensile force

    B.

    an axial compressive force

    C.

    a tangential force

    D.

    any one of these