Control Systems The angle condition used for checking whether any point lies on root locus or not is........... ± (2q + 1) 180o. ± (2q + 1) 360o. ± (2q) 360o. ± (2q) 180o. ± (2q + 1) 180o. ± (2q + 1) 360o. ± (2q) 360o. ± (2q) 180o. 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? ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0 to 2 0.3 to 5 0.3 to 0.7 0.9 to 1.1 0 to 2 0.3 to 5 0.3 to 0.7 0.9 to 1.1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transient response is improved in case of lead network. none of these. lag network. both A and B. lead network. none of these. lag network. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 1/(s² + s + 1) All of these 2/(s² + 2s + 2) 4/(s² + 2s + 4) 1/(s² + s + 1) All of these 2/(s² + 2s + 2) 4/(s² + 2s + 4) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the following statements for phase lead compensation: The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 both 1 and 2 Phase lead compensation shifts the gain crossover frequency to the right The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 both 1 and 2 Phase lead compensation shifts the gain crossover frequency to the right ANSWER DOWNLOAD EXAMIANS APP
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