Machine Design
In case of V belt drive

None of these
The belt should not touch the bottom of groove in the pulley
The belt should touch the bottom of groove in the pulley
The belt should not touch the sides of groove in the pulley

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Machine Design
Plastic flow in ductile materials

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

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