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Mechanical Engineering :: Machine Design

Machine Design - Section 1
Machine Design - Section 2
Machine Design - Section 3
Machine Design - Section 4
Machine Design - Section 5
Machine Design - Section 6
Machine Design - Section 7
Machine Design - Section 8

  1. The velocity of sliding __________ the distance of the point of contact from the pitch point.

    2. A.

    is directly proportional to
    B.

    is inversely proportional to
    C.

    is equal to cos φ multiplied by
    D.

    does not depend upon

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  2. A column is known as a long column if the slenderness ratio is

    3. A.

    40
    B.

    50
    C.

    70
    D.

    100

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  3. Circumferential joint in boilers is used to get the required length of a boiler.

    4. A.

    True
    B.

    False

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  4. The ball bearings are provided with a cage

    5. A.

    to reduce friction
    B.

    to facilitate slipping of balls
    C.

    to prevent the lubricant from flowing out
    D.

    to maintain the balls at a fixed distance apart

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  5. When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be

    6. A.

    square threads
    B.

    acme threads
    C.

    knuckle threads
    D.

    buttress threads

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