Control Systems The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is 1/(s² + 5 + 1) 5/(s² + 5 + 1) 5/(s+1)(s+5) 1/(s+1)(s+5) 1/(s² + 5 + 1) 5/(s² + 5 + 1) 5/(s+1)(s+5) 1/(s+1)(s+5) 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 the polynomial is Routh Hurwitz, the roots of function have real parts which are to be zero/negative. the function is not real. all zeroes lie in the right half of the s-plane. none of these. the roots of function have real parts which are to be zero/negative. the function is not real. all zeroes lie in the right half of the s-plane. none of these. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When compared to a 1st order LPF, a 2nd order LPF has higher voltage gain. faster drop in filter response. lower voltage gain. higher cut off frequency. higher voltage gain. faster drop in filter response. lower voltage gain. higher cut off frequency. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step error coefficient of a system with unity feedback is infinity. 0. 1. 1/6. infinity. 0. 1. 1/6. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are represents the lead compensator? (s+2)/(s+1) (s+2)/(s+5) both 2 and 3 (s+5)/(s+6) (s+2)/(s+1) (s+2)/(s+5) both 2 and 3 (s+5)/(s+6) ANSWER DOWNLOAD EXAMIANS APP