Automatic Control Systems For any transfer function, the constant phase angle loci are A family of straight lines Neither (a) nor (b) Either (a) or (b) A family of circles A family of straight lines Neither (a) nor (b) Either (a) or (b) A family of circles 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. 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 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 1, 2 and 3 1 and 2 All ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on Phase relation of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings None of these Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings None of these Magnitudes of voltages applied to the two stator windings ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot. True False True False ANSWER DOWNLOAD EXAMIANS APP
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