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)2 s/(s+1) 1/s(s+1)2 (s+1)2/s s/(s+1)2 s/(s+1) 1/s(s+1)2 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 1 sec 5 sec 25 sec ∞ sec 1 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The Laplace transformation of f(t) is F(S) given the final value of f(t) is None of them. Infinite. One. Zero. None of them. Infinite. One. Zero. ANSWER DOWNLOAD EXAMIANS APP
Control Systems None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system none of these. tends to zero. could be unbounded. always bounded. none of these. tends to zero. could be unbounded. always bounded. ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph input node is node having only------------ None of these outgoing branches. incoming branches. both 1 and 2. None of these outgoing branches. incoming branches. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
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