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Machine Design

Machine Design
The yield point in static loading is __________ as compared to fatigue loading.

Same
None of these
Higher
Lower

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Machine Design
The rated life of a bearing varies

Inversely as fourth power of load
Inversely as cube of load
Directly as load
Inversely as square of load

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Machine Design
Applications in which stresses are encountered in one direction only uses following type of threads

Square
Buttress
Metric
Acme

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Machine Design
The dynamic tooth load is due to

Inaccuracies of tooth spacing
Deflections of teeth under load
Irregularities in tooth profiles
All of these

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Machine Design
Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

Elastic strength
Shear strength
None of these
Yield strength

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Machine Design
The shock absorbing capacity of a bolt can be increased by

Tightening it properly
Grinding the shank
Increasing shank diameter
Making shank diameter equal to core diameter of thread

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