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Machine Design

Machine Design
The following type of nut is used with alien bolt

Slotted nut
Any one of the above
Castle nut
Hexagonal nut

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Machine Design
A locking device extensively used in automobile industry is a

Jam nut
Castle nut
Ring nut
Sawn nut

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Machine Design
In the levers of __________ type, the mechanical advantage is less than one.

Second
Third
First
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 vibration
Ensure proper alignment
Reduce slip
Ensure uniform loading

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Machine Design
The suitable material for belt used in flour mill is

Canvas or cotton duck
Leather
Balata gum
Rubber

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Machine Design
In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.

Smaller than
Equal to
Larger than
None of these

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