Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (1,0) (-2,0) (2,0) (-1,0) (1,0) (-2,0) (2,0) (-1,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given the Laplace transform of f(t) = F(s), the Laplace transform of (f(t)e-at) is equal to eas*F(s) F(s+a) e-as*F(s) F(s)/(s+a) eas*F(s) F(s+a) e-as*F(s) F(s)/(s+a) 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)/s² (2s+2)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+1)/(s+1)² 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 45° 80° 30° 60° 45° 80° 30° 60° 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) c(t)u(t) c(t-1).u(t-1) c(t).u(t-1) c(t-1).u(t) c(t)u(t) c(t-1).u(t-1) c(t).u(t-1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems If two blocks having gains A and B respectively are in parallel connection, find the resultant gain using block diagram reduction technique? A+B A*B 2(A+B) A/B A+B A*B 2(A+B) A/B ANSWER DOWNLOAD EXAMIANS APP
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