Control Systems The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes? 180° 360° 120° 60° 180° 360° 120° 60° 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)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus integral controller it increases rise time increases the stability of the system has high sensitivity both 2 and 3 it increases rise time increases the stability of the system has high sensitivity both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is RC circuit. LC circuit. RLC circuit. RL Circuit. RC circuit. LC circuit. RLC circuit. RL Circuit. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Error at corner frequency ωcf of first order control system is ------- ±2 db ±3 db ±1 db ±4 db ±2 db ±3 db ±1 db ±4 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0 to 2 0.9 to 1.1 0.3 to 0.7 0.3 to 5 0 to 2 0.9 to 1.1 0.3 to 0.7 0.3 to 5 ANSWER DOWNLOAD EXAMIANS APP