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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 9
36.
Which control action can never be used alone?
Proportional
Derivative
Integral
Both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
If , the number of branches of root locus are
1
2
3
4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
N circles for a = a1, and a = a1 ± 180° n (where n = 1, 2, 3, ....) are the same.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
If G(s)H(s) = K (T1s + 1)/[s2 (T2s + 1)] the system stability depended an relative magnitudes of T1 and T2.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
In a simple on-off controller with differential gap, the magnitude of differential gap determines
the level of accuracy
the life of controller
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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