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/(s+1) (s+1)2/s 1/s(s+1)2 s/(s+1)2 s/(s+1) (s+1)2/s 1/s(s+1)2 s/(s+1)2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For the polynomial , number of roots which lie in the right half of s-plane is 1 2 4 3 1 2 4 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 25 sec ∞ sec 5 sec 1 sec 25 sec ∞ sec 5 sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Two identical first order systems have been cascaded non interactively. The unit step response of the systems will be Over damped under damped critical damped un damped Over damped under damped critical damped un damped 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 0.707 zero unity infinite 0.707 zero unity infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time constant is defined as the time taken by the response of the system to reach ----------- ? 63% of the final value 50% of the final value 100% of the final value 70.7% of the final value 63% of the final value 50% of the final value 100% of the final value 70.7% of the final value ANSWER DOWNLOAD EXAMIANS APP
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