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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 | |