Chemical Engineering - Process Control and Instrumentation - Discussion

11. 

Typical specifications for design stipulates the gain margin and phase margin to be respectively

[A]. > 1.7 and > 30°
[B]. < 1.7 and > 30°
[C]. < 1.7 and < 30°
[D]. > 1.7 and < 30°

Answer: Option A

Explanation:

No answer description available for this question.

Laxman Kumar said: (Mar 15, 2015)  
GM and PM both must be positive for a stable system.

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