MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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: |
| A. | (2,0) |
| B. | (-1,0) |
| C. | (-2,0) |
| D. | (-3,0) |
| Answer» D. (-3,0) | |
| 2. |
The characteristic equation of a control system is given by s(s+4)(s2+2s+s) +k(s+1) =0. What are the angles of the asymptotes for the root loci |
| A. | 60°, 180°, 300° |
| B. | 0°, 180°, 300° |
| C. | 120°, 180°, 240° |
| D. | 0°, 120°, 240° |
| Answer» B. 0°, 180°, 300° | |
| 3. |
Consider the points s1 =-3+4j and s2 = -3-2j in the s-plane. Then, for a system with the open loop transfer function G(s)H(s) =K/(s+1)4. |
| A. | S1 is on the root locus but s2 is not |
| B. | S2 is on the root locus but s1 is not |
| C. | Both s1 and s2 are not on the root locus |
| D. | Neither s1 nor s2 is on the root locus |
| Answer» C. Both s1 and s2 are not on the root locus | |