Control Systems In frequency response analysis of second order system, the error at corner frequency is -10 logξ -20 log2ξ 10 logξ 20 log2ξ -10 logξ -20 log2ξ 10 logξ 20 log2ξ ANSWER DOWNLOAD EXAMIANS APP
Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- unstable marginally stable stable critical stable unstable marginally stable stable critical stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant? 6 sec 4 sec 2 sec 5 sec 6 sec 4 sec 2 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network? C/(1+RCS) RC/(1+RCS) 1/(1+RCS) RCS/(1+RCS) C/(1+RCS) RC/(1+RCS) 1/(1+RCS) RCS/(1+RCS) 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+2)/s² (2s+1)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+2)/s² (2s+1)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'? 0 1 2 3 0 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
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