Automatic Control Systems The relative stability of a system is given by Either (a) or (b) Both phase and gain margins Phase margin alone Gain margin alone Either (a) or (b) Both phase and gain margins Phase margin alone Gain margin alone 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 None of these Constant phase angle loci Magnitude and phase angle loci in log-magnitude versus phase diagram Constant magnitude loci None of these Constant phase angle loci 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 close to 1 Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high Gain margin is high and phase margin is 180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Slotted armature Surface wound armature Surface wound with stationary rotor Either A or B Slotted armature Surface wound armature Surface wound with stationary rotor Either A or B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems M circles are symmetrical with respect to M = 1 straight line and imaginary axis Real and imaginary axis M = 1 straight line and real axis M = 1 straight line M = 1 straight line and imaginary axis Real and imaginary axis M = 1 straight line and real axis M = 1 straight line ANSWER DOWNLOAD EXAMIANS APP
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