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Machine Design

Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

3 d
4 d
2 d
5 d

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Machine Design
The design of the pressure vessel is based on

Hoop stress
Longitudinal stress
Longitudinal and hoop stress
None of these

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Machine Design
A connecting rod subjected to an axial load may buckle with

X-axis as neutral axis
Y-axis as neutral axis
X-axis or Y-axis as neutral axis
Z-axis

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Machine Design
The suitable material for belt in agricultural machinery is

Balata gum
Leather
Cotton duck
Rubber

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Machine Design
The function of cutting oil when threading a pipe is to

All of these
Help removes chips
Provide cooling action
Lubricate the dies

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Machine Design
Failure of a material is called fatigue when it fails

At the elastic limit
Below the elastic limit
Below the yield point
At the yield point

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