Control Systems Negative feedback in a closed loop control system reduces gain. All of these reduces sensitivity to parameter variation. improves disturbance rejection. reduces gain. All of these reduces sensitivity to parameter variation. improves disturbance rejection. 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° -180° 180° -90° 90° -180° 180° -90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems If two blocks having gains A and B respectively are in series connection, find the resultant gain using block diagram reduction technique? A-B A/B A*B A+B A-B A/B A*B A+B ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transient response is improved in case of lead network. none of these. lag network. both A and B. lead network. none of these. lag network. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Differentiation of parabolic response is a -------------- response? parabolic ramp impulse step parabolic ramp impulse step ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.707 0.087 0.87 0.07 0.707 0.087 0.87 0.07 ANSWER DOWNLOAD EXAMIANS APP