Control Systems Which of the following is/are the characteristics of negative feedback control system? Low sensitivity to parameter variations Rejection of disturbance signals All of these Reduction in gain at the expense of better stability Low sensitivity to parameter variations Rejection of disturbance signals All of these Reduction in gain at the expense of better stability ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is (2s+2)/s² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/(s+1)² (2s+2)/s² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0? 0°, 120°, 240° 60°, 180°, 300° 120°, 180°, 240° 0°, 180°, 300° 0°, 120°, 240° 60°, 180°, 300° 120°, 180°, 240° 0°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Poles and zeros are arranged alternatively on negative real axis, then type of network is/are Both 2 and 3. RC network. RL network. LC network. Both 2 and 3. RC network. RL network. LC network. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the polynomial is Routh Hurwitz, the function is not real. the roots of function have real parts which are to be zero/negative. none of these. all zeroes lie in the right half of the s-plane. the function is not real. the roots of function have real parts which are to be zero/negative. none of these. all zeroes lie in the right half of the s-plane. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS