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 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 90° -180° 180° -90° 90° -180° 180° -90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM and PM both +ve. GM -ve. GM and PM both -ve. PM - ve. GM and PM both +ve. GM -ve. GM and PM both -ve. PM - ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Angle of asymptotes for complimentary root locus is (2q+1)*180/(P-Z) (2q)*180/(P-Z) (2q+1)*180/P (2q)*180/P (2q+1)*180/(P-Z) (2q)*180/(P-Z) (2q+1)*180/P (2q)*180/P ANSWER DOWNLOAD EXAMIANS APP
Control Systems Poles and zeros are arranged alternatively on negative real axis, then type of network is/are RL network. RC network. LC network. Both 2 and 3. RL network. RC network. LC network. Both 2 and 3. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is 0.8 rad/s 0.6 rad/s 2 rad/s 1 rad/s 0.8 rad/s 0.6 rad/s 2 rad/s 1 rad/s ANSWER DOWNLOAD EXAMIANS APP