Question: Consider a control system for the level of process liquid in a storage tank. An integral only controller is utilised. The algorithm has an integral

Consider a control system for the level of process liquid in a storage tank. An integral
only controller is utilised. The algorithm has an integral time value of 32 seconds. What
will be the bias value after 2 seconds if there is a sudden change to constant error of 8%,
when the controller output value is -2.5%.

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