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Machine Design

Machine Design
The stress in the threaded part of the bolt will be __________ as compared to the shank.

Lower
Higher
Same
None of these

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Machine Design
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to

Reduce slip
Ensure uniform loading
Reduce vibration
Ensure proper alignment

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Machine Design
Creep in belt is due to

Uneven extensions and contractions due to varying tension
Material of the pulley
All of these
Material of the belt

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Machine Design
A backing ring is used inside the pipe joint when making a

Socket weld
Sleeve weld
Butt weld
Fillet weld

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Machine Design
A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

Jam nut
Ring nut
Sawn nut
Castle nut

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Machine Design
Failure of a material is called fatigue when it fails

At the elastic limit
Below the yield point
Below the elastic limit
At the yield point

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