Control Systems A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is (s+1)2/s s/(s+1) 1/s(s+1)2 s/(s+1)2 (s+1)2/s s/(s+1) 1/s(s+1)2 s/(s+1)2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given the transfer function of a system. Which of the following characteristics does it have? Critical damped Under damped Over damped any of the above Critical damped Under damped Over damped any of the above 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 Which of the following transfer functions represent under damped second order systems? 4/(s² + 2s + 4) 2/(s² + 2s + 2) All of these 1/(s² + s + 1) 4/(s² + 2s + 4) 2/(s² + 2s + 2) All of these 1/(s² + s + 1) 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 gain k is increased to infinity, then damping ratio will tend to become zero unity 0.707 infinite zero unity 0.707 infinite ANSWER DOWNLOAD EXAMIANS APP
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