Automatic Control Systems The sensor generally used in incremental optical encoder is LED Photodiode Either (a) or (b) LCD LED Photodiode Either (a) or (b) LCD 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 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° Gain margin is close to 1 Gain margin is close to 1 or phase margin is zero ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lead compensator Speeds up the transient response None of these Increases the stability margin Increases the stability margin and speeds up the transient-response. Speeds up the transient response None of these Increases the stability margin Increases the stability margin and speeds up the transient-response. 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 All 1, 2 and 3 1 and 2 3 and 4 All 1, 2 and 3 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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