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° 80° 45° 60° 30° 80° 45° ANSWER DOWNLOAD EXAMIANS APP
Control Systems In frequency response analysis of second order system, the error at corner frequency is 10 logξ 20 log2ξ -20 log2ξ -10 logξ 10 logξ 20 log2ξ -20 log2ξ -10 logξ ANSWER DOWNLOAD EXAMIANS APP
Control Systems The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to? 1/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) ANSWER DOWNLOAD EXAMIANS APP
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) (1,0) (-2,0) (2,0) (-1,0) (1,0) (-2,0) (2,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step error coefficient of a system with unity feedback is 1. infinity. 1/6. 0. 1. infinity. 1/6. 0. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+2)/(s+1)² (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 ANSWER DOWNLOAD EXAMIANS APP
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