Automatic Control Systems Multiple Choice Questions

Automatic Control Systems

Question 1.

In root locus analysis the breakaway and break in points

A.

 lie on the real axis

B.

 Either lie on the real axis or occur in complex conjugate pairs

C.

 Always occur in complex conjugate pairs

D.

 None of the above

Explanation :

Explanation Not Provided

Question 2.

Lag compensation permits a high gain at low frequencies.

A.

 True

B.

 False

Explanation :

Explanation Not Provided

Question 3.

The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions.

A.

 True

B.

 False

Explanation :

Explanation Not Provided

Question 4.

Which of the following features is not associated with Nichols chart?

A.

 (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)

B.

 It is symmetric about -180°

C.

 M loci are centred about (0 dB, -180°) point

D.

 The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system

Explanation :

Explanation Not Provided

Question 5.

A lag compensator

A.

 Speeds up the transient response of the system

B.

 Improves steady state behavior of the system

C.

 Improves steady state behavior and speeds up the transient response of the system

D.

 Improves steady state behavior and preserves the transient response of the system

Explanation :

Explanation Not Provided

Topics

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