Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Rotor Stator Either (a) or (b) Partly on stator and partly on rotor Rotor Stator Either (a) or (b) Partly on stator and partly on rotor ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The addition of a pole to the open loop transfer function pulls the root locus Towards right or left depending on the position of new pole To the right None of these To the left and making the system more stable Towards right or left depending on the position of new pole To the right None of these To the left and making the system more stable ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True 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 For type 1 system the velocity lag error is Inversely proportional to bandwidth of system Independent of gain constant Inversely proportional to gain constant Directly proportional to gain constant Inversely proportional to bandwidth of system Independent of gain constant Inversely proportional to gain constant Directly proportional to gain constant 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 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 The gain is decreased below lower critical value Both A and B ANSWER DOWNLOAD EXAMIANS APP
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