Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Root locus Bode plot Nyquist plot Nichols chart Root locus Bode plot Nyquist plot Nichols chart ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Surface wound armature Either A or B Slotted armature Surface wound with stationary rotor Surface wound armature Either A or B Slotted armature Surface wound with stationary rotor ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Back emf Armature resistance Motor friction and load Field resistance Back emf Armature resistance Motor friction and load Field resistance ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If the poles lie in second quadrant, damping ratio is more than 1 1 zero less than 1 more than 1 1 zero less than 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is close to 1 or phase margin is zero Gain margin is high and phase margin is 180° Gain margin is close to 1 Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is high and phase margin is 180° Gain margin is close to 1 Gain margin is high 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 (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system M loci are centred about (0 dB, -180°) point (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system ANSWER DOWNLOAD EXAMIANS APP