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Machine Design

Machine Design
A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.

None of these
Greater
Smaller
Medium

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Machine Design
Which process will increase the fatigue duration of parts?

Electroplating
Finishing and polishing
Shot-peening
De-carburisation

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Machine Design
When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

Initial tension or external load, whichever is greater
Sum of the initial tension and external load applied
External load applied
Initial tension

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Machine Design
An alien bolt is

Provided with hexagonal depression in head
Self locking bolt
Used in high speed components
Same as stud

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Machine Design
The taper on cotter varies from

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

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Machine Design
Which is positive drive?

Timing belt
Flat belt drive
V belt drive
Crossed belt drive

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