Control Systems A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as e-tu(t). e-t. et. etu(t). e-tu(t). e-t. et. etu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems When compared to a 1st order LPF, a 2nd order LPF has faster drop in filter response. higher voltage gain. lower voltage gain. higher cut off frequency. faster drop in filter response. higher voltage gain. lower voltage gain. higher cut off frequency. ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph output node is node having only------------ both 1 and 2 incoming branches outgoing branches None of these both 1 and 2 incoming branches outgoing branches None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control is 2s4 + s3 + 3s2 + 5s + 10 = 0. The no of roots in the right half of the s-plane is 3. 2. 0. 4. 3. 2. 0. 4. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation has the following roots for over damped stable system? -2±j4 -2,-2 -2,-4 -2,2 -2±j4 -2,-2 -2,-4 -2,2 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 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 . stable and of the non-minimum phase type. stable and of the minimum phase type. unstable and of the minimum phase type. ANSWER DOWNLOAD EXAMIANS APP
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