Machine Design
Plastic flow in ductile materials

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

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Machine Design
For same pulley diameters, center distance, belt speed and belt and pulley materials,

Power transmission does not depend upon open and crossed types of constructions
Open and crossed belt drives transmit same power
Open belt drive transmits more power than crossed belt drive
Crossed belt drive transmits more power than open belt drive

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Machine Design
When the belt speed increases

Power transmitted increases to a maximum value and then decreases
Power transmitted increases
Power transmitted decreases
Power transmitted remains the same

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