Control Systems Which of the following transfer functions represent under damped second order systems? 4/(s² + 2s + 4) 2/(s² + 2s + 2) All of these 1/(s² + s + 1) 4/(s² + 2s + 4) 2/(s² + 2s + 2) All of these 1/(s² + s + 1) 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) (1,0) (-1,0) (-2,0) (2,0) (1,0) (-1,0) (-2,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems When compared to a 1st order LPF, a 2nd order LPF has higher voltage gain. lower voltage gain. faster drop in filter response. higher cut off frequency. higher voltage gain. lower voltage gain. faster drop in filter response. higher cut off frequency. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The amplitude spectrum of a Gaussian pulse is Gaussian. Impulse function. A sine function. Uniform. Gaussian. Impulse function. A sine function. Uniform. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the Laplace transform for sinωt? 1/s² 1/s ω/(s²+ω²) s/(s²+ω²) 1/s² 1/s ω/(s²+ω²) s/(s²+ω²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller increases the stability of the system both 1 and 2 improves the steady state accuracy has high sensitivity increases the stability of the system both 1 and 2 improves the steady state accuracy has high sensitivity ANSWER DOWNLOAD EXAMIANS APP