Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM and PM both +ve. GM and PM both -ve. GM -ve. PM - ve. GM and PM both +ve. GM and PM both -ve. GM -ve. PM - ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 30° 45° 80° 60° 30° 45° 80° 60° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system given by The system is unstable. an over damped. an under damped. a critically damped. unstable. an over damped. an under damped. a critically damped. ANSWER DOWNLOAD EXAMIANS APP
Control Systems In the cauer-2 form of LC network---------is series element and --------is shunt element respectively? C and L L and C C and C L and L C and L L and C C and C L and L ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ? either 1 or 2 S is on root locus None of these S is not on root locus either 1 or 2 S is on root locus None of these S is not on root locus ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0.3 to 5 0 to 2 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 ANSWER DOWNLOAD EXAMIANS APP