Control Systems When writing a transfer function which of the following loops are not valid loops? Self loops at input node. Both 1 and 2. Neither 1 nor 2. Self loops at output node. Self loops at input node. Both 1 and 2. Neither 1 nor 2. Self loops at output node. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given the transfer function of a system. Which of the following characteristics does it have? Over damped Critical damped Under damped any of the above Over damped Critical damped Under damped any of the above ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (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 (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become unity 0.707 zero infinite unity 0.707 zero infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems The step response of the system described by the differential equation will be e-3t u(t). non of above. e6t. (1/6)*(1-e-6t). e-3t u(t). non of above. e6t. (1/6)*(1-e-6t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the initial value? 1/4 0 3/5 3/9 1/4 0 3/5 3/9 ANSWER DOWNLOAD EXAMIANS APP
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