Control Systems Negative feedback in a closed loop control system All of these reduces sensitivity to parameter variation. improves disturbance rejection. reduces gain. All of these reduces sensitivity to parameter variation. improves disturbance rejection. reduces gain. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become zero 0.707 infinite unity zero 0.707 infinite unity ANSWER DOWNLOAD EXAMIANS APP
Control Systems Poles and zeros are arranged alternatively on negative real axis, then type of network is/are RC network. Both 2 and 3. RL network. LC network. RC network. Both 2 and 3. RL network. LC network. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems When compared to a 1st order LPF, a 2nd order LPF has faster drop in filter response. lower voltage gain. higher voltage gain. higher cut off frequency. faster drop in filter response. lower voltage gain. higher voltage gain. higher cut off frequency. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following represents the value of resonant frequency (ωr)? (ωn) √(1-ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) (ωn) √(1-ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS