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A direct acting proportional pressure controller has a gain of 3, a range of 0-40 bar and is set to control at 25 bar. When

A direct acting proportional pressure controller has a gain of 3, a range of 0-40 bar and is set to control at 25 bar. When the measured value and the desired value are equal, the output signal is 60%. Determine the input pressure required to produce controller output values of 10% and 90%.

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