MCQOPTIONS
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MCQOPTIONS
This section includes 17 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. |
The major components of a controller are: |
| A. | Control element |
| B. | Error detector and control element |
| C. | Feedback element |
| D. | Error detector and feedback element |
| Answer» C. Feedback element | |
| 2. |
The use of feedback element in the feedback loop is: |
| A. | It converts the output variable ‘c’ to another suitable feedback variable ‘b’ to compare with the input command signal. |
| B. | It is the actuating element |
| C. | To increase the stability |
| D. | None of the mentioned |
| Answer» B. It is the actuating element | |
| 3. |
IN_ELECTRICAL-PNEUMATIC_SYSTEM_ANALOGY_THE_CURRENT_IS_CONSIDERED_ANALOGOUS_TO?$ |
| A. | Velocity |
| B. | Pressure |
| C. | Air flow |
| D. | Air flow rate |
| Answer» E. | |
| 4. |
THE_TEMPERATURE,_UNDER_THERMAL_AND_ELECTRICAL_SYSTEM_ANALOGY,_IS_CONSIDERED_ANALOGOUS_TO?$ |
| A. | Voltage |
| B. | Current |
| C. | Capacitance |
| D. | Charge |
| Answer» B. Current | |
| 5. |
The major components of a controller are:$ |
| A. | Control element |
| B. | Error detector and control element |
| C. | Feedback element |
| D. | Error detector and feedback element |
| Answer» C. Feedback element | |
| 6. |
The use of feedback element in the feedback loop is:$ |
| A. | It converts the output variable ‘c’ to another suitable feedback variable ‘b’ to compare with the input command signal. |
| B. | It is the actuating element |
| C. | To increase the stability |
| D. | None of the mentioned |
| Answer» B. It is the actuating element | |
| 7. |
A non-linear element can be treated as the linear element. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The need of assuming non-linear element as linear: |
| A. | Simplicity of analysis and accuracy of results |
| B. | Ease of calculations |
| C. | Less time consuming |
| D. | Mathematical tool available |
| Answer» E. | |
| 9. |
Practically all the elements are: |
| A. | Linear |
| B. | Non-linear |
| C. | Exponential |
| D. | None of the mentioned |
| Answer» C. Exponential | |
| 10. |
The capacitance, in force-current analogy, is analogous t? |
| A. | Momentum |
| B. | Velocity |
| C. | Displacement |
| D. | Mass |
| Answer» E. | |
| 11. |
The on-off controller is a _____ system. |
| A. | Digital |
| B. | Linear |
| C. | Non-linear |
| D. | Discontinuous |
| Answer» E. | |
| 12. |
Which of the following is the input to a controller? |
| A. | Servo signal |
| B. | Desired variable value |
| C. | Error signal |
| D. | Sensed signal |
| Answer» D. Sensed signal | |
| 13. |
A controller, essentially, is a |
| A. | Sensor |
| B. | Clipper |
| C. | Comparator |
| D. | Amplifier |
| Answer» D. Amplifier | |
| 14. |
In a control system the output of the controller is given to |
| A. | Final control element |
| B. | Amplifier |
| C. | Comparator |
| D. | Sensor |
| Answer» B. Amplifier | |
| 15. |
In an automatic control system which of the following elements is not used? |
| A. | Error detector |
| B. | Final control element |
| C. | Sensor |
| D. | Oscillator |
| Answer» E. | |
| 16. |
In a stable control system backlash can cause which of the following? |
| A. | Underdamping |
| B. | Overdamping |
| C. | Poor stability at reduced values of open loop gain |
| D. | Low-level oscillations |
| Answer» E. | |
| 17. |
Due to which of the following reasons excessive band width in control systems should be avoided? |
| A. | It leads to slow speed of response |
| B. | It leads to low relative stability |
| C. | Noise is proportional to bandwidth |
| D. | Presence of feedback |
| Answer» D. Presence of feedback | |