Automatic Control Systems A system is highly oscillatory if Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 Gain margin is close to 1 or phase margin is zero ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems DC tachogenerator can be used in Speed control system Both A and B Neither A nor B Position control system Speed control system Both A and B Neither A nor B Position control system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Root locus Nyquist plot Bode plot Nichols chart Root locus Nyquist plot Bode plot Nichols chart ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of None of these Constant magnitude loci Magnitude and phase angle loci in log-magnitude versus phase diagram Constant phase angle loci None of these Constant magnitude loci Magnitude and phase angle loci in log-magnitude versus phase diagram Constant phase angle loci ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems M circles are symmetrical with respect to M = 1 straight line M = 1 straight line and real axis M = 1 straight line and imaginary axis Real and imaginary axis M = 1 straight line M = 1 straight line and real axis M = 1 straight line and imaginary axis Real and imaginary axis ANSWER DOWNLOAD EXAMIANS APP
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