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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 4
46.
The gain margin of first and second order systems is infinite.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
One advantage of using polar plot is that it depicts the frequency response characteristics over the entire frequency.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The force required to initiate motion between two contacting surfaces is called
coulomb friction
viscous friction
static friction
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.

Assertion (A): Derivative control action cannot be used alone.

Reason (R): Derivative control action is effective only during transient periods.

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.
50.
The slope of log magnitude curve near the cut off frequency is called cut off rate.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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