Control Systems Which of the following is/are the characteristics of negative feedback control system? All of these Reduction in gain at the expense of better stability Low sensitivity to parameter variations Rejection of disturbance signals All of these Reduction in gain at the expense of better stability Low sensitivity to parameter variations Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system reduces sensitivity to parameter variation. reduces gain. All of these improves disturbance rejection. reduces sensitivity to parameter variation. reduces gain. All of these improves disturbance rejection. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is 1.2 sec. 2 sec. 1.6 sec. 0.4 sec. 1.2 sec. 2 sec. 1.6 sec. 0.4 sec. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of the system described by the differential equation will be (1/3) × (1-e-3t). e6t. e-3t u(t). 1/3. (1/3) × (1-e-3t). e6t. e-3t u(t). 1/3. 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 minimum phase type. stable and of the minimum phase type. stable and of the non-minimum phase type. unstable and of the non minimum phase type . unstable and of the minimum phase type. stable 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 Given the Laplace transform of f(t) = F(s), the Laplace transform of (f(t)e-at) is equal to F(s)/(s+a) F(s+a) eas*F(s) e-as*F(s) F(s)/(s+a) F(s+a) eas*F(s) e-as*F(s) ANSWER DOWNLOAD EXAMIANS APP
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