Control Systems The optimum values of damping ratio is -------------- 0.3 to 5 0.3 to 0.7 0.9 to 1.1 0 to 2 0.3 to 5 0.3 to 0.7 0.9 to 1.1 0 to 2 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 2 sec 5 sec 4 sec 6 sec 2 sec 5 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? All of these Low sensitivity to parameter variations Rejection of disturbance signals Reduction in gain at the expense of better stability All of these Low sensitivity to parameter variations Rejection of disturbance signals Reduction in gain at the expense of better stability 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 2 1 3 0 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead compensator is used to improve ------------------ Both 1 and 2 Transient response Steady state response None of these Both 1 and 2 Transient response Steady state response None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems When compared to a 1st order LPF, a 2nd order LPF has higher cut off frequency. faster drop in filter response. lower voltage gain. higher voltage gain. higher cut off frequency. faster drop in filter response. lower voltage gain. higher voltage gain. ANSWER DOWNLOAD EXAMIANS APP
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