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) Tω1 = tan(ω1) ω1 = tan(Tω1) Tω1 = cot(ω1) ω1 = cot(Tω1) Tω1 = tan(ω1) ω1 = tan(Tω1) Tω1 = cot(ω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+2)/s² (2s+1)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+2)/s² (2s+1)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems The Laplace transform of a transportation lag of 5 seconds is 1/(s+5). 1/(s-5). e-5s. e5s. 1/(s+5). 1/(s-5). e-5s. e5s. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) 1/(s² + s + 1) 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) 1/(s² + s + 1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transfer function of a control system depends on nature of input. nature of output. initial conditions of input and output. system parameters alone. nature of input. nature of output. initial conditions of input and output. system parameters alone. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Settling time for 5% tolerance band is ------------- 4T. 5T. 3T. 2T. 4T. 5T. 3T. 2T. ANSWER DOWNLOAD EXAMIANS APP
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