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Machine Design

Machine Design
The suitable material for belt in agricultural machinery is

Rubber
Balata gum
Leather
Cotton duck

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Machine Design
In thrust bearings, the load acts

Along the axis of rotation
In any direction
Perpendicular to the axis of rotation
Parallel to the axis of rotation

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Machine Design
A coupling used to connect two perfectly aligned shafts, is

Compression coupling
Flange coupling
Muff coupling
All of these

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Machine Design
The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be

3 times more
Same in both cases
4 times more
2 times more

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

43832
4
2
1

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

3
1
4
2

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MORE MCQ ON Machine Design

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