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Mechanical Engineering :: Machine Design

  1. A steel containing more than 0.8% carbon is known as eutectoid steel.

  2. A.

    Yes

    B.

    No

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  3. In leaf springs, the longest leaf is known as

  4. A.

    lower leaf

    B.

    master leaf

    C.

    upper leaf

    D.

    none of these

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  5. The taper on cotter varies from

  6. A.

    1 in l5 to 1 in 10

    B.

    1 in 24 to 1 in 20

    C.

    1 in 32 to 1 in 24

    D.

    1 in 48 to 1 in 24

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  7. Which of the following screw thread is used for power transmission in one direction only.

  8. A.

    Acme threads

    B.

    Square threads

    C.

    Buttress threads

    D.

    Multiple threads

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  9. When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be __________ the bearing modulus.

  10. A.

    5 times

    B.

    10 times

    C.

    15 times

    D.

    20 times

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