Machine Design
In designing a connecting rod, it is considered like __________ for buckling about X-axis.

One end fixed and the other end hinged
One end fixed and the other end free
Both ends hinged
Both ends fixed

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

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

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Machine Design
Cold working

Has no influence on fatigue strength
Decreases the fatigue strength
Alone has no influence on fatigue strength
Increases the fatigue strength

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