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 The distance of poles from origin depends on Neither A nor B Damping ratio Uqndamped natural frequency Both A and B Neither A nor B Damping ratio Uqndamped natural frequency Both A and B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Both (b) and (c) Integral Proportional Derivative Both (b) and (c) Integral Proportional Derivative ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Nyquist plot Bode plot Root locus Nichols chart Nyquist plot Bode plot Root locus Nichols chart ANSWER DOWNLOAD EXAMIANS APP
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