Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator All 1 and 2 1, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of None of these Constant magnitude loci Magnitude and phase angle loci in log-magnitude versus phase diagram Constant phase angle loci None of these Constant magnitude loci Magnitude and phase angle loci in log-magnitude versus phase diagram Constant phase angle loci ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If the poles lie in second quadrant, damping ratio is less than 1 zero 1 more than 1 less than 1 zero 1 more than 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The sensor generally used in incremental optical encoder is Either (a) or (b) Photodiode LCD LED Either (a) or (b) Photodiode LCD LED 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 Magnitudes of voltages applied to the two stator windings None of these Both magnitude and phase relationship of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings None of these Both magnitude and phase relationship of voltages applied to the two stator windings ANSWER DOWNLOAD EXAMIANS APP
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