Automatic Control Systems Which of the following features is not associated with Nichols chart? 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 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) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Bode plot Root locus Nichols chart Nyquist plot Bode plot Root locus Nichols chart Nyquist plot ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action May lead to oscillatory response Both (a) and (b) Neither (a) nor (b) Removes offset May lead to oscillatory response Both (a) and (b) Neither (a) nor (b) Removes offset ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The addition of a pole to the open loop transfer function pulls the root locus To the left and making the system more stable To the right None of these Towards right or left depending on the position of new pole To the left and making the system more stable To the right None of these Towards right or left depending on the position of new pole ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Back emf Field resistance Motor friction and load Armature resistance Back emf Field resistance Motor friction and load Armature resistance ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on Phase relation of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings None of these Phase relation of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings None of these ANSWER DOWNLOAD EXAMIANS APP
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