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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. In a marine flange coupling, the pitch circle diameter of bolts is taken as

    2. A.

    1.2 d
    B.

    1.6 d
    C.

    2 d
    D.

    2.5 d

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  2. The steel widely used for motor car crankshafts is

    3. A.

    nickel steel
    B.

    chrome steel
    C.

    nickel chrome steel
    D.

    high speed steel

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  3. When compared to the rod of the same diameter and material, a wire rope

    4. A.

    is less flexible
    B.

    has a much smaller load carrying capacity
    C.

    does not provide much warning before failure
    D.

    provides much greater time for remedial action before failure

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  4. According to Indian standards, total number of fundamental deviations are

    5. A.

    10
    B.

    15
    C.

    20
    D.

    25

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  5. In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of

    6. A.

    combined effect of transverse shear stress and bending stress in the wire
    B.

    combined effect of bending stress and curvature of the wire
    C.

    combined effect of transverse shear stress and curvature of wire
    D.

    combined effect of torsional shear stress and transverse shear stress in the wire

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