Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Surface wound with stationary rotor Either A or B Surface wound armature Slotted armature Surface wound with stationary rotor Either A or B Surface wound armature Slotted armature ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Lag compensation permits a high gain at low frequencies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The sensor generally used in incremental optical encoder is LED Either (a) or (b) Photodiode LCD LED Either (a) or (b) Photodiode LCD ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? (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 M loci are centred about (0 dB, -180°) point ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points Always occur in complex conjugate pairs Either lie on the real axis or occur in complex conjugate pairs None of these lie on the real axis Always occur in complex conjugate pairs Either lie on the real axis or occur in complex conjugate pairs None of these lie on the real axis ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of Magnitude and phase angle loci in log-magnitude versus phase diagram Constant magnitude loci Constant phase angle loci None of these Magnitude and phase angle loci in log-magnitude versus phase diagram Constant magnitude loci Constant phase angle loci None of these ANSWER DOWNLOAD EXAMIANS APP