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Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 6 (Q.No. 49)
Process Control and Instrumentation
49.
Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1).
w = 1/14, Kc = 45/714
w = 7/6, Kc = 46/3
w = 1, Kc = 13
w = 7/8, Kc = 45/4
Answer: Option
Explanation:
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Discussion:
2 comments Page 1 of 1.
Aadf said:   2 years ago
Discuss the answer in detail.
Amit said:   6 years ago
Please explain the given answer.
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