Process degree of freedom indicates _______________ number of controllers to be used?
Correct answer: A. The maximum
- A. The maximum
- B. The minimum
- C. Both maximum and the minimum
- D. Nothing about the
Explanation
The process degree of freedom gives the number of independent variables that can be controlled, so it sets the maximum number of independent controllers. Using more controllers than the available degrees of freedom would over-constrain the process.
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