Question: A machine tool performs an operation intermittently. It is driven continuously by a motor. Each operation takes 8 seconds and five operations are done

A machine tool performs an operation intermittently. It is driven continuously by

A machine tool performs an operation intermittently. It is driven continuously by a motor. Each operation takes 8 seconds and five operations are done per minute. The machine is fitted with a flywheel having a mass of 200 kg with a mean radius of gyration of 400 mm. When operation is being performed, the speed drops from the normal speed of 400 rpm and 250 rpm. The power of the motor required is kW.

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