Calculate motor speed in revolutions per minute

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Reference no: EM13225421

1.Calculate motor speed in revolutions per minute for an eight-pole,50Hz motor. Give the equation and identify its parts; show your math.

2.You need to detect finished products coming down an assembly line. Would you use a presence sensor or a condition sensor? Why? Which switch type would be a logical choice?

3.You're designing both personal computers and programmable logic controls. Which type of memory would you choose for each,PROM or EPROM, Why?

4.What is the fundamental benefit of PLC controls over manual controls?

5.Describe the differences between the two methods of scanning during PLC logic solving. Which method holds the advantage over the other?

Reference no: EM13225421

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