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Machine Design

Machine Design
Rankine's theory is used for

Elastic materials
Brittle materials
Plastic materials
Ductile materials

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Machine Design
The radial distance from the __________ to the clearance circle is called working depth.

Dedendum circle
Addendum circle
Pitch circle
None of these

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Machine Design
In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to

Increase the key depth
Decrease the key length
Increase the key length
Increase the key width

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Machine Design
The static tooth load should be __________ the dynamic load.

Equal to
Greater than
None of these
Less than

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Machine Design
Factor of safety for fatigue loading is the ratio of

Elastic limit to the working stress
Young's modulus to the ultimate tensile strength
Elastic limit to the yield point
Endurance limit to the working stress

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Machine Design
The gears are termed as medium velocity gears, if their peripheral velocity is

15-30 m/s
3-15 m/s
1-3 m/s
30-50 m/s

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