Control Systems The unit step response of the system is 1 - e-t(1+t). Which is the system? critically stable oscillatory stable unstable critically stable oscillatory stable unstable ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller increases the stability of the system improves the steady state accuracy has high sensitivity both 1 and 2 increases the stability of the system improves the steady state accuracy has high sensitivity both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is 5/(s² + 5 + 1) 1/(s+1)(s+5) 1/(s² + 5 + 1) 5/(s+1)(s+5) 5/(s² + 5 + 1) 1/(s+1)(s+5) 1/(s² + 5 + 1) 5/(s+1)(s+5) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following represents the value of resonant frequency (ωr)? 2*(ωn) √(1-ζ²) (ωn) √(1-2ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-2ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-ζ²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? All of these Complex and costly. Oscillatory response. Reduces the overall gain. All of these Complex and costly. Oscillatory response. Reduces the overall gain. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 5 6.5 10 4 5 6.5 10 4 ANSWER DOWNLOAD EXAMIANS APP
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