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? 2 sec 4 sec 5 sec 6 sec 2 sec 4 sec 5 sec 6 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at -2,2 -2,-2 -2,-1 -2+j,-2-j -2,2 -2,-2 -2,-1 -2+j,-2-j ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? 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 All of these Low sensitivity to parameter variations Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 3/5 4/5 3/4 3/7 3/5 4/5 3/4 3/7 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step error coefficient of a system with unity feedback is infinity. 1. 0. 1/6. infinity. 1. 0. 1/6. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the order of a system given by 4. 3. 2. 5. 4. 3. 2. 5. ANSWER DOWNLOAD EXAMIANS APP
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