Control Systems The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is 0.8 rad/s 0.6 rad/s 1 rad/s 2 rad/s 0.8 rad/s 0.6 rad/s 1 rad/s 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Low sensitivity to parameter variations Rejection of disturbance signals Reduction in gain at the expense of better stability All of these Low sensitivity to parameter variations Rejection of disturbance signals Reduction in gain at the expense of better stability All of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The angle condition used for checking whether any point lies on root locus or not is........... ± (2q + 1) 180o. ± (2q + 1) 360o. ± (2q) 360o. ± (2q) 180o. ± (2q + 1) 180o. ± (2q + 1) 360o. ± (2q) 360o. ± (2q) 180o. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): PM - ve. GM -ve. GM and PM both +ve. GM and PM both -ve. PM - ve. GM -ve. GM and PM both +ve. GM and PM both -ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Two identical first order systems have been cascaded non interactively. The unit step response of the systems will be critical damped under damped Over damped un damped critical damped under damped Over damped un damped ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following combinations is/are correct electrical analogous elements in force-current analogy? Force (f) --------------------- Current (i) Velocity (v) ----------------- Voltage (V) Spring element (K) --------- Inverse inductance (1/L) All of these Force (f) --------------------- Current (i) Velocity (v) ----------------- Voltage (V) Spring element (K) --------- Inverse inductance (1/L) All of these ANSWER DOWNLOAD EXAMIANS APP
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