Automatic Control Systems The sensor generally used in incremental optical encoder is LED Either (a) or (b) LCD Photodiode LED Either (a) or (b) LCD Photodiode 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 1, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 All 1 and 2 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 The distance of poles from origin depends on Neither A nor B Both A and B Damping ratio Uqndamped natural frequency Neither A nor B Both A and B Damping ratio Uqndamped natural frequency ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Root locus Nichols chart Nyquist plot Bode plot Root locus Nichols chart Nyquist plot Bode plot ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True ANSWER DOWNLOAD EXAMIANS APP