MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Minimum phase systems have unique relationship between its phase and magnitude curves |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
All pass system and minimum phase system constitute_________________ |
| A. | Pole must lie on left plane |
| B. | Minimum phase system |
| C. | Non-minimum phase system |
| D. | Both must lie on right plane |
| Answer» D. Both must lie on right plane | |
| 3. |
For all-pass systems: |
| A. | Poles must lie on right of the s-plane |
| B. | Zeroes must lie on the left of s-plane |
| C. | Poles must lie on the left and zeroes on the mirror image of the pole can be on the right |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
Consider the following statements:1. The delay time is the time required to reach 50% of the final value in the first time.2. The rise time is the time required for the response to rise from 10% to 90% of its final value for underdamped systems.3. The rise time is the time required for the response to rise from 0 to 100% for the underdamped systems.Which of these statements are correct? |
| A. | 1,2 and 3 only |
| B. | 1 and 2 only |
| C. | 1 and 3 only |
| D. | 2 and 3 only negative real axis |
| Answer» D. 2 and 3 only negative real axis | |
| 5. |
The forward path transfer function of a unity feedback system is given by G(s) = 1/(1+s)^2.What is the phase margin of the system? |
| A. | –π rad |
| B. | 0 rad |
| C. | π/2 rad |
| D. | π rad |
| Answer» E. | |
| 6. |
The frequency at which the Nyquist diagram cuts the unit circle is known as: |
| A. | Gain crossover frequency |
| B. | Phase crossover frequency |
| C. | Damping frequency |
| D. | Corner frequency |
| Answer» B. Phase crossover frequency | |
| 7. |
ALL_PASS_SYSTEM_AND_MINIMUM_PHASE_SYSTEM_CONSTITUTE_________________?$ |
| A. | Pole must lie on left plane |
| B. | Minimum phase system |
| C. | Non-minimum phase system |
| D. | Both must lie on right plane |
| Answer» D. Both must lie on right plane | |
| 8. |
Minimum phase systems have unique relationship between its phase and magnitude curves$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
For all-pass systems? |
| A. | Poles must lie on right of the s-plane |
| B. | Zeroes must lie on the left of s-plane |
| C. | Poles must lie on the left and zeroes on the mirror image of the pole can be on the right |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 10. |
For non-minimum phase systems: |
| A. | Poles and zeroes must lie on the right s-plane |
| B. | Zeroes must lie on right of s-plane |
| C. | Both lie on left of s-plane |
| D. | Poles must be on the left and zeroes can be on the right s –plane. |
| Answer» E. | |
| 11. |
For minimum phase systems: |
| A. | Pole must lie on left plane |
| B. | Zeroes must lie on left plane |
| C. | Poles and zeroes must lie on left plane |
| D. | Both must lie on right plane |
| Answer» D. Both must lie on right plane | |
| 12. |
The range of K for the stability of system is 0 |
| A. | 10 |
| B. | 5 |
| C. | 0.1 |
| D. | 0.5 |
| Answer» B. 5 | |
| 13. |
A minimum phase unity feedback system has a bode plot with a constant slope of -20dB/decade for all frequencies. What is the value of the maximum phase margins of the system? |
| A. | 0° |
| B. | 90° |
| C. | -90° |
| D. | 180° |
| Answer» C. -90¬¨¬®‚Äö√†√ª | |