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Machine Design

Machine Design
If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to

0.25
0.6
0.5
0.2

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Machine Design
The pitch of threads on a Jock nut in comparison to pitch of nut is

Same
Very fine
Coarser
Finer

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Machine Design
The buckling load will be maximum for a column, if

One end of the column is hinged and the other end is free
Both ends of the column are hinged
Both ends of the column are clamped
One end of the column is clamped and the other end is free

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Machine Design
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as

Crown Bevel gears
Angular bevel gears
Internal bevel gears
Mitre gears

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

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

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Machine Design
The pitch diameter is the __________ diameter of an external or internal screw thread.

Smallest
Effective
Largest
None of these

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