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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 8
41.
In control systems the word controller includes
error detector and feedback element
feedback element and control elements
error detector and control elements
error detector, control elements and feedback elements
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.

Assertion (A): When the forward gain of a system is increased, the transient response becomes oscillatory.

Reason (R): Increasing the forward gain reduces steady state error.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The given figure shows dB magnitude plots for type 0, type 1 and type 2 systems. Out of these
curves 1, 2, 3 are for type 0, 1, 2 systems respectively
curves 1, 2, 3 are for type 2, 1, 0 systems respectively
curves 1, 2, 3 are for type 1, 0, 2 systems respectively
curves 1, 2, 3 are for type 1, 2, 0 systems respectively
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.

Assertion (A): A. For a unity feedback system, with , the settling time of step response is constant for all values of K ≥ 1

Reason (R): The real part of the roots for all values of K ≥ 1 are negative.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.

Assertion (A): F(s) is valid throughout s plane except at poles of F(s).

Reason (R): £[f1(t) + f2(t)] = £[f1(t)] + £[f2(t)]

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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