Control Systems The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator? 60° 30° 90° 45° 60° 30° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 4 rad/s 1/2 rad/s 1/4 rad/s 2 rad/s 4 rad/s 1/2 rad/s 1/4 rad/s 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at -2,2 -2,-2 -2+j,-2-j -2,-1 -2,2 -2,-2 -2+j,-2-j -2,-1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a resistor in the line. a capacitor in series with the contacts. a reactor in the line. a capacitor in parallel with the contacts. a resistor in the line. a capacitor in series with the contacts. a reactor in the line. a capacitor in parallel with the contacts. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The output of the system has an effect upon the input quantity, then the system is a None of these closed loop control system. open loop control system. either 1 or 2. None of these closed loop control system. open loop control system. either 1 or 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step response of the system is 1 - e-t(1+t). Which is the system? stable critically stable oscillatory unstable stable critically stable oscillatory unstable ANSWER DOWNLOAD EXAMIANS APP
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