Machine Design
Plastic flow in ductile materials

Increases the seriousness of static loading stress concentration
Depends on other considerations
Has no effect on it
Lessens the seriousness of static loading stress concentration

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Machine Design
When the speed of belt increases,

The coefficient of friction between the belt and pulley increases
The power transmitted will increase
The power transmitted will decrease
The coefficient of friction between the belt and pulley decreases

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