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 The permanent magnet field system of brushless dc servo- motor is generally on Stator Partly on stator and partly on rotor Either (a) or (b) Rotor Stator Partly on stator and partly on rotor Either (a) or (b) Rotor ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems M circles are symmetrical with respect to Real and imaginary axis M = 1 straight line and imaginary axis M = 1 straight line and real axis M = 1 straight line Real and imaginary axis M = 1 straight line and imaginary axis M = 1 straight line and real axis M = 1 straight line ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Derivative Both (b) and (c) Proportional Integral Derivative Both (b) and (c) Proportional Integral 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 close to 1 or phase margin is zero Gain margin is high Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is close to 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In force current analogy, displacement x is analogous to Electrostatic energy Magnetic flux linkage Voltage Charge Electrostatic energy Magnetic flux linkage Voltage Charge ANSWER DOWNLOAD EXAMIANS APP
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