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Mechanical Engineering :: Machine Design

  1. The sleeve or muff coupling is designed as a

  2. A.

    dun cylinder

    B.

    thick cylinder

    C.

    solid shaft

    D.

    hollow shaft


  3. A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.

  4. A.

    True

    B.

    False


  5. Screws used for power transmission should have

  6. A.

    Low efficiency

    B.

    high efficiency

    C.

    very fine threads

    D.

    strong teeth


  7. The number of rivets in shear shall be equal to the number of rivets in crushing.

  8. A.

    Correct

    B.

    Incorrect


  9. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

  10. A.

    angular bevel gears

    B.

    crown bevel gears

    C.

    internal bevel gears

    D.

    mitre gears