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Machine Design

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

8°
15°
25°
5°

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Machine Design
A shaft is subjected to

Bending stresses
All of these
Combined bending and shear stresses
Shear stresses

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Machine Design
When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

Initial tension
Sum of the initial tension and external load applied
Initial tension or external load, whichever is greater
External load applied

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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

0.2
0.6
0.5
0.25

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Machine Design
The resilience of a bolt may be increased by

Decreasing its length
Increasing its shank diameter
Increasing its length
Decreasing its shank diameter

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Machine Design
For applications involving high stresses in one direction only the following type of thread would be best suited

Square thread
Acme thread
ISO metric thread
Buttress thread

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MORE MCQ ON Machine Design

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