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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 6
26.
Consider the following statements regarding negative feedback
  1. It increases system gain
  2. It improves sensitivity
  3. It improves system stability
Which of these are not correct?
all
1, 2
1, 3
1 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Which of the following are applications of position control systems?
Control of sheet and metal thickness in hot rolling mill
Missile guidance of ships
Radar tracking system
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The system in the given figure has
good gain and phase margins
good gain margin and poor phase margin
poor gain and phase margins
poor gain margin but good phase margin
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.

Assertion (A): Increasing the system gain improves steady state behaviour but may result in instability.

Reason (R): A compensator is inserted into a system to ensure specified performance.

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.
30.

Assertion (A): Inverse Laplace transform can be found from P(s) by inversion integral.

Reason (R): The function f(t) is assumed to be zero for t < 0.

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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