MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero? |
| A. | The system is relatively stable |
| B. | The system is highly stable |
| C. | The system is highly oscillatory |
| D. | The system is stable |
| Answer» D. The system is stable | |
| 2. |
Which of the following statements is correct for any closed loop system? |
| A. | All the co-efficient can have zero value |
| B. | All the co-efficient are always non-zero |
| C. | Only one of the static error co-efficient has a finite non-zero value |
| D. | Only two of the static error co-efficient has a finite non-zero value |
| Answer» D. Only two of the static error co-efficient has a finite non-zero value | |
| 3. |
WHICH_OF_THE_FOLLOWING_STATEMENTS_IS_CORRECT_FOR_ANY_CLOSED_LOOP_SYSTEM??$ |
| A. | All the co-efficient can have zero value |
| B. | All the co-efficient are always non-zero |
| C. | Only one of the static error co-efficient has a finite non-zero value |
| D. | Only two of the static error co-efficient has a finite non-zero value |
| Answer» D. Only two of the static error co-efficient has a finite non-zero value | |
| 4. |
Which_of_the_following_statements_is_correct_for_a_system_with_gain_margin_close_to_unity_or_a_phase_margin_close_to_zero?$ |
| A. | The system is relatively stable |
| B. | The system is highly stable |
| C. | The system is highly oscillatory |
| D. | The system is stable |
| Answer» D. The system is stable | |
| 5. |
The second derivative input signals modify which of the following? |
| A. | The time constant of the system |
| B. | Damping of the system |
| C. | The gain of the system |
| D. | The time constant and suppress the oscillations |
| Answer» E. | |
| 6. |
The transient response, with feedback system, |
| A. | Rises slowly |
| B. | Rises quickly |
| C. | Decays slowly |
| D. | Decays quickly |
| Answer» E. | |
| 7. |
On which of the following factors does the sensitivity of a closed loop system to gain changes and load disturbances depend? |
| A. | Frequency |
| B. | Loop gain |
| C. | Forward gain |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
The band width, in a feedback amplifier. |
| A. | Remains unaffected |
| B. | Decreases by the same amount as the gain increase |
| C. | Increases by the same amount as the gain decrease |
| D. | Decreases by the same amount as the gain decrease |
| Answer» D. Decreases by the same amount as the gain decrease | |
| 9. |
Transfer function of a system is used to calculate which of the following? |
| A. | The order of the system |
| B. | The time constant |
| C. | The output for any given input |
| D. | The steady state gain |
| Answer» D. The steady state gain | |
| 10. |
Zero initial condition for a system means? |
| A. | Input reference signal is zero |
| B. | Zero stored energy |
| C. | Initial movement of moving parts |
| D. | System is at rest and no energy is stored in any of its components |
| Answer» E. | |
| 11. |
A control system with excessive noise, is likely to suffer from? |
| A. | Saturation in amplifying stages |
| B. | Loss of gain |
| C. | Vibrations |
| D. | Oscillations |
| Answer» B. Loss of gain | |
| 12. |
The output of a feedback control system must be a function of |
| A. | Reference and output |
| B. | Reference and input |
| C. | Input and feedback signal |
| D. | Output and feedback signal |
| Answer» B. Reference and input | |