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 The gain is increased beyond upper critical value None of these Both A and B The gain is decreased below lower critical value The gain is increased beyond upper critical value None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Magnetic amplifier is used for Current amplification Power amplification Voltage amplification Frequency amplification Current amplification Power amplification Voltage amplification Frequency amplification ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if 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 Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action Both (a) and (b) Neither (a) nor (b) Removes offset May lead to oscillatory response Both (a) and (b) Neither (a) nor (b) Removes offset May lead to oscillatory response ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems M circles are symmetrical with respect to M = 1 straight line and imaginary axis M = 1 straight line Real and imaginary axis M = 1 straight line and real axis M = 1 straight line and imaginary axis M = 1 straight line Real and imaginary axis M = 1 straight line and real axis ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points None of these Always occur in complex conjugate pairs lie on the real axis Either lie on the real axis or occur in complex conjugate pairs None of these Always occur in complex conjugate pairs lie on the real axis Either lie on the real axis or occur in complex conjugate pairs ANSWER DOWNLOAD EXAMIANS APP
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