 
			 
			MCQOPTIONS
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				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 terminology deals with the excitation or stimulus applied to the system from an external source for the generation of an output? | 
| A. | Input signal | 
| B. | Output signal | 
| C. | Error signal | 
| D. | Feedback signal | 
| Answer» B. Output signal | |
| 2. | Which among the following is not an advantage of an open loop system? | 
| A. | Simplicity in construction & design | 
| B. | Easy maintenance | 
| C. | Rare problems of stability | 
| D. | Requirements of system re-calibration from time to time | 
| Answer» E. | |
| 3. | WHICH_AMONG_THE_FOLLOWING_IS_NOT_AN_ADVANTAGE_OF_AN_OPEN_LOOP_SYSTEM??$ | 
| A. | Simplicity in construction & design | 
| B. | Easy maintenance | 
| C. | Rare problems of stability | 
| D. | Requirements of system re-calibration from time to time | 
| Answer» E. | |
| 4. | Which_terminology_deals_with_the_excitation_or_stimulus_applied_to_the_system_from_an_external_source_for_the_generation_of_an_output?$ | 
| A. | Input signal | 
| B. | Output signal | 
| C. | Error signal | 
| D. | Feedback signal | 
| Answer» B. Output signal | |
| 5. | Which notation represents the feedback path in closed loop system representation? | 
| A. | b(t) | 
| B. | c(t) | 
| C. | e(t) | 
| D. | r(t) | 
| Answer» D. r(t) | |
| 6. | Which among the following represents an illustration of closed loop system? | 
| A. | Automatic washing machine | 
| B. | Automatic electric iron | 
| C. | Bread toaster | 
| D. | Electric hair drier | 
| Answer» B. Automatic electric iron | |
| 7. | Which among the following controls the speed of D.C. motor? | 
| A. | Galvanometer | 
| B. | Gauss meter | 
| C. | Potentiometer | 
| D. | Tachometer | 
| Answer» E. | |
| 8. | Into which energy signal does the position sensor convert the measured position of servomotor in servomechanisms? | 
| A. | Mechanical | 
| B. | Electrical | 
| C. | Thermal | 
| D. | Light | 
| Answer» B. Electrical | |
| 9. | What is the value of steady state error in closed loop control systems? | 
| A. | Zero | 
| B. | Unity | 
| C. | Infinity | 
| D. | Unpredictable | 
| Answer» B. Unity | |
| 10. | A good control system should be sensitive to __________ | 
| A. | Internal disturbances | 
| B. | Environmental parameters | 
| C. | Parametric variations | 
| D. | Input signals (except noise) | 
| Answer» D. Input signals (except noise) | |
| 11. | Which system exhibits the initiation of corrective action only after the output gets affected? | 
| A. | Feed forward | 
| B. | Feedback | 
| C. | Both a and b | 
| D. | None of the mentioned | 
| Answer» C. Both a and b | |
| 12. | What should be the nature of bandwidth for a good control system? | 
| A. | Large | 
| B. | Small | 
| C. | Medium | 
| D. | All of the mentioned | 
| Answer» B. Small | |