Chemical Engineering - Process Control and Instrumentation - Discussion

8. 

A negative gain margin expressed in decibels means a/an __________ system.

[A]. stable
[B]. unstable
[C]. critically damped
[D]. none of these

Answer: Option B

Explanation:

No answer description available for this question.

Hemanth said: (Nov 5, 2012)  
According to bode stability criteria the gain margin value has to be should not be a negative value and it should be greater than.

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