MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The OLTF of a unity feedback system is K(s+2)(s+4)/(s+5)(s+6) the angle of arrival of the root loci as s =-2, and s =-4 respectively are: |
| A. | 0 ,180 |
| B. | 180 ,0 |
| C. | 90 ,180 |
| D. | 180 , 90 |
| Answer» C. 90 ,180 | |
| 2. |
The characteristic equation of a control system is given as 1+ K(s+4)/s(s+7)(s2+2s+2)=0. The real axis intercept for root locus asymptote is: |
| A. | -2.25 |
| B. | -1 |
| C. | -1.67 |
| D. | 0 |
| Answer» D. 0 | |
| 3. |
The loop transfer function of an LTI system is G(s)H(s) =K(s+1)(s+5)/s(s+2)(s+3). For K>0, the point on the real axis that does not belong to the root locus of the system is |
| A. | -0.5 |
| B. | -2.5 |
| C. | -3.5 |
| D. | -5.5 |
| Answer» D. -5.5 | |
| 4. |
Determine the centroid of the root locus for the system having G(s)H(s) = K/(s+1)(s2+4s+5) |
| A. | -2.1 |
| B. | -1.78 |
| C. | -1.66 |
| D. | -1.06 |
| Answer» D. -1.06 | |