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? ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave. 12 dB 3 dB 6 dB 18 dB 12 dB 3 dB 6 dB 18 dB 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 ∞ sec 25 sec 1 sec 5 sec ∞ sec 25 sec 1 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Resonant peak of a marginally stable system is any of the above 0 infinite finite value any of the above 0 infinite finite value ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (2,0) (-2,0) (-1,0) (1,0) (2,0) (-2,0) (-1,0) (1,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feed back system has forward transfer function The range of k for the system to be stable is 0 < k < 390. 0 < k < 39. 0 < k < 3900. None of these 0 < k < 390. 0 < k < 39. 0 < k < 3900. None of these ANSWER DOWNLOAD EXAMIANS APP
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