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? 5 sec 4 sec 6 sec 2 sec 5 sec 4 sec 6 sec 2 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Rejection of disturbance signals Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these Rejection of disturbance signals Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is 0.6 rad/s 0.8 rad/s 1 rad/s 2 rad/s 0.6 rad/s 0.8 rad/s 1 rad/s 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is RC circuit. RLC circuit. RL Circuit. LC circuit. RC circuit. RLC circuit. RL Circuit. LC circuit. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Accurate and reliable output is possible with which of the following system? Open loop control system Closed loop control system None of these Both 1 and 2 Open loop control system Closed loop control system None of these Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of 'a' in to give phase margin = 45o will be 0.707. 0.9. 1.18. 1.414. 0.707. 0.9. 1.18. 1.414. ANSWER DOWNLOAD EXAMIANS APP
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