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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. Pitch point of a cam is

    2. A.

    a point on the pitch curve having minimum pressure angle
    B.

    a point on the pitch curve having maximum pressure angle
    C.

    any point on the pitch curve
    D.

    any point on the pitch circle

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  2. When two parallel and coplaner shafts are connected by gears having teeth parallel to the axis of the shaft, the arrangement is known as spiral gearing.

    3. A.

    Yes
    B.

    No

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  3. A screw is specified by its

    4. A.

    major diameter
    B.

    minor diameter
    C.

    pitch diameter
    D.

    pitch

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  4. The wear load should be __________ the dynamic load.

    5. A.

    equal to
    B.

    less than
    C.

    greater than

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  5. The velocity factor for ordinary cut gears operating at velocities upto 12.5 m/s is equal to

    6. A.

    \(\frac { 0.75 } { 0.75 + \sqrt{v}}\)
    B.

    \(\frac { 3 } { 3+ v}\)
    C.

    \(\frac { 4.5 } { 4.5 + v}\)
    D.

    \(\frac { 6} { 6 + v}\)

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