Control Systems An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is stable and of the minimum phase type. unstable and of the minimum phase type. stable and of the non-minimum phase type. unstable and of the non minimum phase type . stable and of the minimum phase type. unstable and of the minimum phase type. stable and of the non-minimum phase type. unstable and of the non minimum phase type . ANSWER DOWNLOAD EXAMIANS APP
Control Systems Resonant peak of a marginally stable system is any of the above infinite 0 finite value any of the above infinite 0 finite value 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? 0°, 180°, 300° 0°, 120°, 240° 60°, 180°, 300° 120°, 180°, 240° 0°, 180°, 300° 0°, 120°, 240° 60°, 180°, 300° 120°, 180°, 240° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 5 sec 25 sec 1 sec ∞ sec 5 sec 25 sec 1 sec ∞ sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is 90° -180° -90° 180° 90° -180° -90° 180° 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)/s² (2s+2)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP