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Machine Design

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

Balata gum
Canvas or cotton duck
Leather
Rubber

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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

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

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Machine Design
A connecting rod should be

Strong in buckling about X-axis
Strong in buckling about Y-axis
Equally strong in buckling about X-axis and Y-axis
Any one of the above

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Machine Design
Surface endurance limit of gear material is dependent upon its

Yield strength
Brinell hardness number
Toughness
Elastic strength

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Machine Design
The root angle of a bevel gear is equal to

Pitch angle + addendum angle
Pitch angle + dedendum angle
Pitch angle - dedendum angle
Pitch angle - addendum angle

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Machine Design
In designing a connecting rod, it is considered like __________ for buckling about X-axis.

Both ends fixed
One end fixed and the other end hinged
Both ends hinged
One end fixed and the other end free

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