Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? 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° M loci are centred about (0 dB, -180°) point ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is high Gain margin is close to 1 or phase margin is zero ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action Neither (a) nor (b) May lead to oscillatory response Both (a) and (b) Removes offset Neither (a) nor (b) May lead to oscillatory response Both (a) and (b) Removes offset ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems M circles are symmetrical with respect to M = 1 straight line and imaginary axis M = 1 straight line and real axis Real and imaginary axis M = 1 straight line M = 1 straight line and imaginary axis M = 1 straight line and real axis Real and imaginary axis M = 1 straight line ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In Bode plots the frequency at which two asymptotes meet is called corner frequency. True False True False ANSWER DOWNLOAD EXAMIANS APP
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