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Machine Design

Machine Design
The ratio of endurance limit in shear to the endurance limit in flexure is

0.33
0.4
0.55
0.5

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Machine Design
Fabric belts are used in industrial applications because

They can work at high temperature
They are cheap
They are unaffected by moisture and humidity
None of these

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

More than
Less than
Equal to
None of these

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Machine Design
The design of shafts made of brittle materials is based on

St Venant's theory
Von Mises theory
Guest's theory
Rankine's theory

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Machine Design
The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for

Reducing stress concentration
Ease of manufacture
Safety
Fullering and caulking

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Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

8
10
4
6

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