Control Systems The amplitude spectrum of a Gaussian pulse is Impulse function. Gaussian. Uniform. A sine function. Impulse function. Gaussian. Uniform. A sine function. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0? 120°, 180°, 240° 0°, 180°, 300° 0°, 120°, 240° 60°, 180°, 300° 120°, 180°, 240° 0°, 180°, 300° 0°, 120°, 240° 60°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
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/(s+1)2 1/s(s+1)2 (s+1)2/s s/(s+1) s/(s+1)2 1/s(s+1)2 (s+1)2/s 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 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller improves the steady state accuracy both 1 and 2 has high sensitivity increases the stability of the system improves the steady state accuracy both 1 and 2 has high sensitivity increases the stability of the system ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the system gain is doubled the gain margin becomes? None of these 2 times Remains unaffected 1/2 times None of these 2 times Remains unaffected 1/2 times ANSWER DOWNLOAD EXAMIANS APP
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