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 All 1, 2 and 3 3 and 4 1 and 2 All 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Bode plot Root locus Nyquist plot Nichols chart Bode plot Root locus Nyquist plot Nichols chart ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator Speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior of the system Speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines Neither (a) nor (b) The life of controller Both (a) and (b) The level of accuracy Neither (a) nor (b) The life of controller Both (a) and (b) The level of accuracy ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action Neither (a) nor (b) Both (a) and (b) May lead to oscillatory response Removes offset Neither (a) nor (b) Both (a) and (b) May lead to oscillatory response Removes offset ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is high and phase margin is 180° Gain margin is close to 1 Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is high and phase margin is 180° Gain margin is close to 1 ANSWER DOWNLOAD EXAMIANS APP
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