Ic1352 – Process Control Two Mark Questions and Answers

1. List any four objectives of process control. Suppressing the influence of external disturbances, Optimizing the performance, Increasing the productivity, Cost effective. 2. Define process Any system comprised of dynamic variables usually involved in manufacturing and production operations. It is defines as a series of operations during which some materials are placed in more useful state. 3. What is manipulated variable It is a variable which is altered by the automatic control equipment so as to change the variable under and make it conform with the desired value. It is the quantity of control system which is directly measured and controlled. 5. What do you mean by self regulation? The output will move from one steady state to another for the sustained change in input. This means that for change in some input variable the output variable will rise until it reaches a steady state (inflow = outflow). It is the