Machine Design
When the belt speed increases

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

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Machine Design
The fatigue stress concentration factor is defined as

The ratio of endurance limit without stress concentration to the endurance limit with stress concentration
All of these
The ratio of endurance limit with stress concentration to the endurance limit without stress concentration
The product of the endurance limits with and without stress concentration

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