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Machine Design

Machine Design
The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is

2
43832
4
1

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Machine Design
In a butt welded joint, the size of weld is __________ the throat of weld.

Equal to
Double
2 times
0.5 times

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Machine Design
In the levers of first type, the mechanical advantage is ________ one.

None of these
Equal to
Less than
More than

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Machine Design
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.

20 times
15 times
5 times
10 times

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Machine Design
In second type of levers,

None of these
Effort is in between the fulcrum and load
Fulcrum is in between the load and effort
Load is in between the fulcrum and effort

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Machine Design
When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be

8F/ πd²
4F/ πd²
6F/ πd²
16F/ 3πd²

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