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Machine Design

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

Third
First
None of these
Second

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Machine Design
The spring mostly used in gramophones is

Helical spring
Flat spiral spring
Volute spring
Conical spring

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Machine Design
A riveted joint is a __________ fastening.

Either A or B
None of these
Permanent
Temporary

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Machine Design
When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is

A combination of torsional shear stress and bending
Direct shear stress only
Bending stress only
A combination of bending stress and direct shear stress

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Machine Design
The backlash for spur gears depends upon

Pitch line velocity
Tooth profile
Both module and pitch line velocity
Module

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

None of these
Same
Lower
Higher

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