Which of the following features is not associated with Nichols chart? - Automatic Control Systems

Electronics and Communication Engineering (ECE) : Automatic Control Systems - Quiz(MCQ)

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

A)

It is symmetric about -180Â°

B)

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

C)

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

D)

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

Correct Answer : Option (D) : The frequency at intersection of G (jÏ‰) locus and M = +3 dB locus gives bandwidth of closed loop system

Recently Updated in Automatic Control Systems Questions

For a quadratic factor in denominator of transfer function the phase angle at corner frequency (in Bode phase angle plot)

A)

is +90Â°

B)

is -90Â°

C)

depends on the damping factor

D)

None of the above

Correct Answer : is -90Â°

The response to sinusoidal excitation can be found by

A)

setting s = jÏ‰ in the network function

B)

setting s = -jÏ‰ in the network function

C)

taking inverse transform of network function

D)

None of the above

Correct Answer : setting s = jÏ‰ in the network function

The resolution of a wire wound potentiometer is about

A)

5%

B)

1%

C)

0.1%

D)

0.001%

Correct Answer : 0.1%

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