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Machine Design

Machine Design
In a flange coupling, the bolts are subjected to

Shear stress
None of these
Compressive stress
Tensile stress

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Machine Design
Guest's theory of failure is applicable for following type of materials

Ductile
Plastic
Elastic
Brittle

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Machine Design
The taper on cotter varies from

1 in 48 to 1 in 24
1 in 15 to 1 in 10
1 in 32 to 1 in 24
1 in 24 to 1 in 20

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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

Ensure uniform loading
Reduce slip
Reduce vibration
Ensure proper alignment

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Machine Design
The ratio of driving tensions in V-belt drives is __________ flat belt drives.

sin α times less than
Equal to
cosec α times more than
sin α times more than

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Machine Design
In standard taper roller bearings, the angle of taper of outer raceway is

15°
8°
5°
25°

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