MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
WHEN_THE_NUMBER_OF_POLES_IS_EQUAL_TO_THE_NUMBER_OF_ZEROES,_HOW_MANY_BRANCHES_OF_ROOT_LOCUS_TENDS_TOWARDS_INFINITY??$ |
| A. | 1 |
| B. | 2 |
| C. | 0 |
| D. | Equal to number of zeroes |
| Answer» D. Equal to number of zeroes | |
| 2. |
If root loci plots of a particular control system do not intersect the imaginary axis at any point, then the gain margin of the system will be? |
| A. | 0 |
| B. | 0.707 |
| C. | 1 |
| D. | Infinite |
| Answer» E. | |
| 3. |
The addition of open loop zero pulls the root loci towards? |
| A. | The left and therefore system becomes more stable |
| B. | The right and therefore system becomes unstable |
| C. | Imaginary axis and therefore system becomes marginally stable |
| D. | The left and therefore system becomes unstable |
| Answer» B. The right and therefore system becomes unstable | |
| 4. |
If the gain of the system is reduced to a zero value, the roots of the system in the s-plane, |
| A. | Coincide with zero |
| B. | Move away from zero |
| C. | Move away from poles |
| D. | Coincide with the poles |
| Answer» E. | |
| 5. |
Which one of the following are correct? |
| A. | |
| B. | As the input of the system is changed |
| C. | As the output of the system is changed |
| Answer» D. | |
| 6. |
What is the number of the root locus segments which do not terminate on zeroes? |
| A. | The number of poles |
| B. | The number of zeroes |
| C. | The difference between the number of poles and zeroes |
| D. | The sum of the number of poles and the number of the zeroes |
| Answer» D. The sum of the number of poles and the number of the zeroes | |
| 7. |
The breakaway point calculated mathematically must always lie on the root locus. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which one of the following is not the property of root loci? |
| A. | The root locus is symmetrical about imaginary axis |
| B. | They start from the open loop poles and terminate at the open loop zeroes |
| C. | The breakaway points are determined from dK/ds = 0 |
| D. | Segments of the real axis are the part of the root locus if and only is the total number of real poles and zeroes to their right is odd. |
| Answer» B. They start from the open loop poles and terminate at the open loop zeroes | |
| 9. |
Which one of the following applications software’s is used to obtain an accurate root locus for?$ |
| A. | LISP |
| B. | MATLAB |
| C. | dBase |
| D. | Oracle |
| Answer» C. dBase | |