A machine repeats a complete working cycle periodically that lasts for t = 40 mi

Question

A machine repeats a complete working cycle periodically that lasts for t = 40 min.| During the working period the input power is Pinput,1 = 8 [kW] and the efficiency is eta 1 = 79%. Between two working periods. while the work piece is replaced the machine runs idle with a power consumption of Pinput,2 = 1.3 [kW]. Find the time available for the replacement of the work piece if a minimum of eta average = 75% average efficiency must be kept Find the average load factor if the time of the replacement reduces to t=8 min

Explanation / Answer

I dont know the answer. haha. you need to go to your professor and ask them.

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