Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 4/5 3/7 3/5 3/4 4/5 3/7 3/5 3/4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead compensator is used to improve ------------------ Transient response Steady state response None of these Both 1 and 2 Transient response Steady state response None of these Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? Oscillatory response. All of these Reduces the overall gain. Complex and costly. Oscillatory response. All of these Reduces the overall gain. Complex and costly. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as e-t. et. e-tu(t). etu(t). e-t. et. e-tu(t). etu(t). ANSWER DOWNLOAD EXAMIANS APP
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? 30° 90° 45° 60° 30° 90° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 2.000. 0.693. 1.386. 0.500. 2.000. 0.693. 1.386. 0.500. ANSWER DOWNLOAD EXAMIANS APP
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