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 -180° -90° 180° 90° -180° -90° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 2 rad/s 4 rad/s 1/4 rad/s 1/2 rad/s 2 rad/s 4 rad/s 1/4 rad/s 1/2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems A lead compensator used for a closed loop controller has the following transfer function For such a lead compensator a > kb. a < b. a < kb. b < a. a > kb. a < b. a < kb. b < a. 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? 2 sec 4 sec 6 sec 5 sec 2 sec 4 sec 6 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the Laplace transform for sinωt? 1/s s/(s²+ω²) ω/(s²+ω²) 1/s² 1/s s/(s²+ω²) ω/(s²+ω²) 1/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems To achieve the optimum transient response, the indicating instruments are so designed as to provide damping which is slightly more than the critical value. be undamped. provide damping which is slightly less than the critical value. be critically damped. provide damping which is slightly more than the critical value. be undamped. provide damping which is slightly less than the critical value. be critically damped. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS