Adouble reduction gearbox is required to transmit 5.5 kw from a shaft rotating at 2000 rpm. the desired output speed is approximately 350 rpm. draw this gear arrangement and select suitable gears for it.

Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.