Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 3° 60° 20° 30° 3° 60° 20° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system reduces gain. All of these reduces sensitivity to parameter variation. improves disturbance rejection. reduces gain. All of these reduces sensitivity to parameter variation. improves disturbance rejection. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function for tachometer E(S)/θ(S) is KS KS2 K/S K KS KS2 K/S K ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time constant is defined as the time taken by the response of the system to reach ----------- ? 100% of the final value 50% of the final value 63% of the final value 70.7% of the final value 100% of the final value 50% of the final value 63% of the final value 70.7% of the final value ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0.9 to 1.1 0.3 to 5 0.3 to 0.7 0 to 2 0.9 to 1.1 0.3 to 5 0.3 to 0.7 0 to 2 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. 4. 2. 3. 0. 4. 2. 3. ANSWER DOWNLOAD EXAMIANS APP
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