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March 27, 2017

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A 2-hp motor drives a sanding belt. If the efficiency of the motor is 87% and that of the sanding belt 75% due to slippage, what is the overall efficiency of the system?

The answer has to be 65.25%. Can someone please help me to work it out?

  • Physics - ,

    The final efficiency is the product of the input efficiencies. What is .87*.75?

  • Physics - ,

    A 2-hp motor drives a sanding belt. If the efficiency of the motor is 87% and that of the sanding belt 75% due to slippage, what is the overall efficiency of the system?

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