Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is 180° -180° -90° 90° 180° -180° -90° 90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value? 0 1/4 1 3/5 0 1/4 1 3/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time taken by the response to reach and stay within a specified error is called Peak time. Settling time. Peak overshoot. Raise time. Peak time. Settling time. Peak overshoot. Raise time. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The compensator would provide a maximum phase shift of 30o. 60o. 45o. 20o. 30o. 60o. 45o. 20o. ANSWER DOWNLOAD EXAMIANS APP
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 4 10 5 6.5 4 10 5 6.5 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 0. 3. 2. 4. 0. 3. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
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