Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 64 4 16 1 64 4 16 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Error at corner frequency ωcf of first order control system is ------- ±4 db ±1 db ±2 db ±3 db ±4 db ±1 db ±2 db ±3 db 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°, 180°, 300° 120°, 180°, 240° 0°, 120°, 240° 60°, 180°, 300° 0°, 180°, 300° 120°, 180°, 240° 0°, 120°, 240° 60°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be c(t-1).u(t-1) c(t).u(t-1) c(t)u(t) c(t-1).u(t) c(t-1).u(t-1) c(t).u(t-1) c(t)u(t) c(t-1).u(t) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Name test signals used in time response analysis? Impulse. Unit ramp. Unit step. All of B, C, D. Impulse. Unit ramp. Unit step. All of B, C, D. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 60° 30° 45° 80° 60° 30° 45° 80° ANSWER DOWNLOAD EXAMIANS APP