Machine Design
The resilience of a bolt may be increased by

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

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Machine Design
Which is correct statement? Stress concentration in static loading is

Very serious in brittle materials and less serious in ductile materials
Equally serious in both types of materials
Seriousness would depend on other factors
Very serious in ductile materials and less serious in brittle materials

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