Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 30° 80° 60° 45° 30° 80° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0.9 to 1.1 0.3 to 0.7 0.3 to 5 0 to 2 0.9 to 1.1 0.3 to 0.7 0.3 to 5 0 to 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is 10 sec 4 sec 100 sec 400 sec 10 sec 4 sec 100 sec 400 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems The following transfer function represents a phase-lead compensator? 1/s (s+4)/(3s+6) (4s+2)/(6s+1) (s+4)/(s+6) 1/s (s+4)/(3s+6) (4s+2)/(6s+1) (s+4)/(s+6) ANSWER DOWNLOAD EXAMIANS APP
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 non-minimum phase type. stable and of the minimum phase type. unstable and of the minimum phase type. unstable and of the non minimum phase type . stable and of the non-minimum phase type. stable and of the minimum phase type. unstable and of the minimum phase type. unstable and of the non minimum phase type . 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)/s² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+2)/s² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
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