Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM and PM both -ve. GM -ve. PM - ve. GM and PM both +ve. GM and PM both -ve. GM -ve. PM - ve. GM and PM both +ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller both 1 and 2 increases the stability of the system improves the steady state accuracy has high sensitivity both 1 and 2 increases the stability of the system improves the steady state accuracy has high sensitivity ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lowest critical frequency is due to pole and it may be present at the origin or nearer to the origin, then the type of network is LC. RL. RC. Any of the above. LC. RL. RC. Any of the above. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 1/(s² + s + 1) 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) 1/(s² + s + 1) 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 16 64 1 4 16 64 1 4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems When writing a transfer function which of the following loops are not valid loops? Neither 1 nor 2. Both 1 and 2. Self loops at input node. Self loops at output node. Neither 1 nor 2. Both 1 and 2. Self loops at input node. Self loops at output node. ANSWER DOWNLOAD EXAMIANS APP
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