The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by ____________________?
Correct answer: B. Introducing integral control
- A. Reducing value of Kc
- B. Introducing integral control
- C. Introducing derivative control
- D. None of the above
Explanation
Proportional-only control leaves a steady-state offset when a sustained error is needed to produce the required output. Integral action accumulates this error and removes the offset, whereas derivative action mainly improves response to changing error.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Process Control and Instrumentation
254 free Process Control and Instrumentation MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Process Control and Instrumentation questions
Which of the following is not a variable area flow meter ?
Configuration of Bourdon spring tube is never made of _____________ shape?
Nichol's chart deals with __________________?
The unit of 'time constant' of a system is the same as that of___________________?
____________ stability method uses open loop transfer function?
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its ___________________?