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 6.5 10 4 5 6.5 10 4 5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Let P = Number of open loop poles and Z = Number of open loop zeros and P > Z, find the number of branches terminating at ∞? Any of the above P - Z Z P Any of the above P - Z Z P ANSWER DOWNLOAD EXAMIANS APP
Control Systems A control system has open loop transfer function . Break away point is lies between -4 and -6. 0 and -4. 0 and 4. any of the above. -4 and -6. 0 and -4. 0 and 4. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0.9 to 1.1 0.3 to 0.7 0 to 2 0.3 to 5 0.9 to 1.1 0.3 to 0.7 0 to 2 0.3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems In the integral control of the single area system frequency error is reduced to zero. Then integrator o/p decreases and speed changer position comes down. integrator o/p decreases but speed changer position moves up. integrator output and speed changer position attain a constant value. integrator o/p increases but speed changer position comes down. integrator o/p decreases and speed changer position comes down. integrator o/p decreases but speed changer position moves up. integrator output and speed changer position attain a constant value. integrator o/p increases but speed changer position comes down. 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
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