Automatic Control Systems The relative stability of a system is given by Either (a) or (b) Gain margin alone Phase margin alone Both phase and gain margins Either (a) or (b) Gain margin alone Phase margin alone Both phase and gain margins ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action May lead to oscillatory response Both (a) and (b) Removes offset Neither (a) nor (b) May lead to oscillatory response Both (a) and (b) Removes offset Neither (a) nor (b) 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 The gain is decreased below lower critical value Both A and B The gain is increased beyond upper critical value None of these The gain is decreased below lower critical value Both A and B The gain is increased beyond upper critical value None of these 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 and 2 3 and 4 1, 2 and 3 All 1 and 2 3 and 4 1, 2 and 3 All ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In Bode plots the frequency at which two asymptotes meet is called corner frequency. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points Always occur in complex conjugate pairs None of these lie on the real axis Either lie on the real axis or occur in complex conjugate pairs Always occur in complex conjugate pairs None of these lie on the real axis Either lie on the real axis or occur in complex conjugate pairs ANSWER DOWNLOAD EXAMIANS APP