Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Surface wound with stationary rotor Either A or B Surface wound armature Slotted armature Surface wound with stationary rotor Either A or B Surface wound armature Slotted armature 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
Automatic Control Systems A system is highly oscillatory if Gain margin is high and phase margin is 180° Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator Improves steady state behavior of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Speeds up the transient response of the system Improves steady state behavior of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Speeds up the transient response of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In force current analogue, mechanical mobility is analogous to Impedance Z Admittance Y Reactance X Conductance G Impedance Z Admittance Y Reactance X Conductance G ANSWER DOWNLOAD EXAMIANS APP
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