MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Open loop system is ___________ stable than closed loop system |
| A. | More |
| B. | Less |
| C. | Inclined |
| D. | Exponential |
| Answer» B. Less | |
| 2. |
OPEN_LOOP_SYSTEM_IS_____________STABLE_THAN_CLOSED_LOOP_SYSTEM?$ |
| A. | More |
| B. | Less |
| C. | Inclined |
| D. | Exponential |
| Answer» B. Less | |
| 3. |
Primary purpose of using Feedback is : |
| A. | To reduce the sensitivity of the system to parameter variations. |
| B. | To increase the bandwidth of the system |
| C. | To reduce the noise and distortion of the system |
| D. | To increase stability of the system |
| Answer» B. To increase the bandwidth of the system | |
| 4. |
Insertion of negative feedback in control system affects? |
| A. | The transient response to vanish uniformly |
| B. | The transient response to decay very fast |
| C. | No change in transient response |
| D. | The transient response decays at slow rate |
| Answer» C. No change in transient response | |
| 5. |
As compared to the closed loop system, an open loop system is |
| A. | More stable but less accurate |
| B. | Less stable as well as less accurate |
| C. | More stable as well as more accurate |
| D. | Less stable but more accurate |
| Answer» B. Less stable as well as less accurate | |
| 6. |
Which of the following will not decrease as a result of introduction of negative feedback? |
| A. | Instability |
| B. | Bandwidth |
| C. | Overall gain |
| D. | Distortion |
| Answer» C. Overall gain | |
| 7. |
Feedback control system is basically |
| A. | High pass filter |
| B. | Low pass filter |
| C. | Band pass filter |
| D. | Band stop filter |
| Answer» C. Band pass filter | |
| 8. |
In control system excessive bandwidth is not employed because |
| A. | Noise is proportional to bandwidth |
| B. | It leads to low relative stability |
| C. | It leads to slower time response |
| D. | Noise is proportional to the square of the bandwidth |
| Answer» B. It leads to low relative stability | |
| 9. |
Which of the statements are the advantages of closed loop systems over the open loop system: |
| A. | The overall reliability of the open loop system is more than the closed loop system is more than closed loop system. |
| B. | The transient response in closed loop system decays more quickly than in open loop system. |
| C. | In open loop system closing the loop increases the gain of the system |
| D. | In open loop system the effect of parameter variation is reduced |
| Answer» C. In open loop system closing the loop increases the gain of the system | |
| 10. |
Which one of the following effect in the system is not caused by negative feedback? |
| A. | Reduction in gain |
| B. | Increased in bandwidth |
| C. | Increase in distortion |
| D. | Reduction in output impedance |
| Answer» D. Reduction in output impedance | |
| 11. |
Which of the following are the not characteristics of the closed loop systems? |
| A. | It does not compensate for disturbance |
| B. | It reduces the sensitivity of plant-parameter variations |
| C. | It does not involve output measurements |
| D. | It does not has the ability to control the system transient response |
| Answer» E. | |