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 5 sec 4 sec 6 sec 2 sec 5 sec 4 sec 6 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Electrical analogous element for damper element (force-voltage analogy) in mechanical translation system is capacitor inductor any of the above resistor capacitor inductor any of the above resistor ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to e-2tu(t). e-tu(t). 2e-tu(t). (0.5)e-2tu(t). e-2tu(t). e-tu(t). 2e-tu(t). (0.5)e-2tu(t). 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 open loop transfer function is (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems To achieve the optimum transient response, the indicating instruments are so designed as to be critically damped. provide damping which is slightly more than the critical value. be undamped. provide damping which is slightly less than the critical value. be critically damped. provide damping which is slightly more than the critical value. be undamped. provide damping which is slightly less than the critical value. ANSWER DOWNLOAD EXAMIANS APP