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Machine Design

Machine Design
In a flange coupling, the flanges are coupled together by means of

Studs
None of these
Headless taper bolts
Bolts and nuts

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Machine Design
The resultant axial load on a bolt depends on

All of these
Initial tension
External load applied
Relative elastic yielding (springness) of the bolt and the connected member

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Machine Design
When a metal or alloy is cold worked,

It is worked below recrystallization temperature
Its hardness and strength increases
Both (A) and (B)
None of these

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Machine Design
The arms of the pulleys for flat belt drive have

All the three characteristics
Major axis in plane of rotation
Major axis twice the minor axis
Elliptical cross-section

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Machine Design
A type of brake commonly used in motor cars is a

Band brake
Internal expanding brake
Shoe brake
Band and block brake

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Machine Design
The connecting rod bolts are tightened up so that tightening stress

Is about yield point divided by safety factor
Approaches yield point
Is 50% of yield point
Is just sufficient to hold parts together

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