Electronics and Communication Engineering - Automatic Control Systems

41. 

Assertion (A): Integral control action is sometimes called reset control.

Reason (R): Reset rate is expressed as number of repeats per unit time.

A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct but R is wrong
D. R is correct but A is wrong

Answer: Option B

Explanation:

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42. 

The polar plot in the given figure is for G(jω) =

A.
B.
C.
D.

Answer: Option C

Explanation:

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43. 

In some on-off controllers a differential gap is provided

A. to make the manufacture process easier
B. to prevent too often frequent operation of controller
C. both (a) and (b)
D. neither (a) nor (b)

Answer: Option B

Explanation:

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44. 

If there are

A. two poles of G(s) in the left half plane
B. two poles of G(s) in the right half plane
C. three poles of G(s) in the right half plane
D. four poles of G(s) in the right half plane

Answer: Option B

Explanation:

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45. 

In Bode analysis the correction at corner frequency is 3 dB.

A. True
B. False

Answer: Option A

Explanation:

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