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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 6
11.
The slope of log magnitude curve changes by - 40 dB/decade at a certain frequency and the error between asymptote and actual curve is positive. This means that
a double pole is present
a pair of complex conjugate poles is present
either (a) or (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
A system has high gain and phase margin. The system is
very stable
sluggish
very stable and sluggish
oscillatory
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
For the transfer function , the polar plot a is
semi circle
circle
spiral
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A proportional controller is basically
an amplifier with adjustable gain
an integrating amplifier
an amplifier with infinite gain
an amplifier with almost zero gain
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
A network has . Then
it is lead network
it is lag network
it is lead network if T1 > T2 and lag network T1 < T2
it is lead network if T1 < T2 and lag network T1 > T2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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