Automatic Control Systems If poles lie in first quadrant, damping ratio is More than 1 Zero 1 less than 1 More than 1 Zero 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is close to 1 Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is high and phase margin is 180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Stator Partly on stator and partly on rotor Either (a) or (b) Rotor Stator Partly on stator and partly on rotor Either (a) or (b) Rotor 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 3 and 4 1 and 2 1, 2 and 3 All 3 and 4 1 and 2 1, 2 and 3 All ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The poles with greater displacement from the real axis correspond to Lower frequencies of oscillations Higher frequencies of oscillations Stable response Unbounded output Lower frequencies of oscillations Higher frequencies of oscillations Stable response Unbounded output ANSWER DOWNLOAD EXAMIANS APP