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Machine Design

Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

5 d
3 d
2 d
4 d

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Machine Design
The process extensively used for making bolts and nuts is

Cold peening
Extrusion
Cold heading
Hot piercing

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

Does not depend upon
Is equal to cos φ multiplied by
Is inversely proportional to
Is directly proportional to

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Machine Design
The anti-friction bearings

Can carry both radial and thrust loads
Have high initial cost
Have low starting and low running friction at moderate speeds
All of these

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Machine Design
When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

Initial tension or external load, whichever is greater
Sum of the initial tension and external load applied
External load applied
Initial tension

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Machine Design
In radial cams, the follower moves

Along the cam axis
In a direction parallel to the cam axis
In a direction perpendicular to the cam axis
In any direction irrespective of cam axis

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