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Machine Design

Machine Design
In standard taper roller bearings, the angle of taper of outer raceway is

8°
5°
15°
25°

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Machine Design
In a full journal bearing, the angle of contact of the bearing with the journal is

120°
180°
270°
360°

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Machine Design
According to I.B.R., the factor of safety of riveted joint should not be less than

2
3
4
1

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Machine Design
In the levers of third type, the mechanical advantage is __________ one.

Less than
Equal to
None of these
More than

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Machine Design
For steel, the ultimate strength in shear as compared to ultimate strength in tension is

43864
43832
43834
43833

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Machine Design
Ball bearing type screws are found in following application

Aeroplane engines
Steering mechanism
Screw jack
Crane

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