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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

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  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

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  5. Screws used for power transmission should have

  6. A.

    Low efficiency

    B.

    high efficiency

    C.

    very fine threads

    D.

    strong teeth

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

  8. A.

    Correct

    B.

    Incorrect

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  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

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