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° -90° 180° 90° -180° -90° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 2.000. 1.386. 0.693. 0.500. 2.000. 1.386. 0.693. 0.500. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the type of the system given by 3. 4. 1. 2. 3. 4. 1. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given below: The system is unstable critical stable stable marginally stable unstable critical stable stable marginally stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (-1,0) (2,0) (1,0) (-2,0) (-1,0) (2,0) (1,0) (-2,0) 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 initial value? 0 3/9 1/4 3/5 0 3/9 1/4 3/5 ANSWER DOWNLOAD EXAMIANS APP
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