Automatic Control Systems Integral control action Both (a) and (b) Removes offset May lead to oscillatory response Neither (a) nor (b) Both (a) and (b) Removes offset May lead to oscillatory response Neither (a) nor (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. False True False True 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 All 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 1, 2 and 3 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A conditionally stable system is stable for the value of gain between two critical values. It is unstable if Both A and B The gain is decreased below lower critical value None of these The gain is increased beyond upper critical value Both A and B The gain is decreased below lower critical value None of these The gain is increased beyond upper critical value ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings None of these Both magnitude and phase relationship of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings None of these Both magnitude and phase relationship of voltages applied to the two stator windings ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions. False True False True ANSWER DOWNLOAD EXAMIANS APP
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