Automatic Control Systems The sensor generally used in incremental optical encoder is LED LCD Either (a) or (b) Photodiode LED LCD Either (a) or (b) Photodiode ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on None of these Both magnitude and phase relationship of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings None of these Both magnitude and phase relationship of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Either A or B Surface wound with stationary rotor Slotted armature Surface wound armature Either A or B Surface wound with stationary rotor Slotted armature Surface wound armature 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 M loci are centred about (0 dB, -180°) point It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) 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 It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Both phase and gain margins Gain margin alone Either (a) or (b) Phase margin alone Both phase and gain margins Gain margin alone Either (a) or (b) Phase margin alone ANSWER DOWNLOAD EXAMIANS APP
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