Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 1 sec 5 sec ∞ sec 25 sec 1 sec 5 sec ∞ sec 25 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is 90° -90° -180° 180° 90° -90° -180° 180° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Name test signals used in time response analysis? Unit ramp. Unit step. All of B, C, D. Impulse. Unit ramp. Unit step. All of B, C, D. Impulse. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 30° 3° 60° 20° 30° 3° 60° 20° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant? 5 sec 4 sec 2 sec 6 sec 5 sec 4 sec 2 sec 6 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead compensator is used to improve ------------------ Transient response None of these Steady state response Both 1 and 2 Transient response None of these Steady state response Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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