MCQOPTIONS
Saved Bookmarks
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. |
The disadvantages of the error constants are: |
| A. | They do not give the information of the steady state error when the inputs are other than the three basic types |
| B. | Error constant fail to indicate the exact manner in which the error function change with time. |
| C. | They do not give information of the steady state error and fail to indicate the exact manner in which the error function change with time |
| D. | They give information of the steady state error |
| Answer» D. They give information of the steady state error | |
| 2. |
Steady state refers to |
| A. | Error at the steady state |
| B. | Error at the transient state |
| C. | Error at both state |
| D. | Precision |
| Answer» B. Error at the transient state | |
| 3. |
Find the velocity error constant of the system given below : |
| A. | 0 |
| B. | 2 |
| C. | 4 |
| D. | ∞ |
| Answer» D. ∞ | |
| 4. |
A control system is operated with a parabolic input as shown below If Ka is static error constant of the system, then its dynamic error constant K2 is |
| A. | 0.01 |
| B. | 0.02 |
| C. | 0.03 |
| D. | 0.04 |
| Answer» C. 0.03 | |
| 5. |
STEADY_STATE_REFERS_TO?$ |
| A. | Error at the steady state |
| B. | Error at the transient state |
| C. | Error at both state |
| D. | Precision |
| Answer» B. Error at the transient state | |
| 6. |
The_disadvantages_of_the_error_constants_are:$ |
| A. | They do not give the information of the steady state error when the inputs are other than the three basic types |
| B. | Error constant fail to indicate the exact manner in which the error function change with time. |
| C. | They do not give information of the steady state error and fail to indicate the exact manner in which the error function change with time |
| D. | They give information of the steady state error |
| Answer» D. They give information of the steady state error | |
| 7. |
Systems of type higher than 2 are not employed in practice? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The error constants described are the ability to reduce the steady state errors. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
A particular control system yielded a steady state error of 0.20 for unit step input. A unit integrator is cascaded to this system and unit ramp input is applied to this modified system. What is the value of steady-state error for this modified system? |
| A. | 0.10 |
| B. | 0.15 |
| C. | 0.20 |
| D. | 0.25 |
| Answer» E. | |
| 10. |
A ramp input applied to a unity feedback system results in 5% steady state error. The type number and zero frequency gain of the system are respectively |
| A. | 1 and 20 |
| B. | 0 and 20 |
| C. | 0 and 1/20 |
| D. | 1 and 1/20 |
| Answer» B. 0 and 20 | |
| 11. |
Consider the unity feedback system with open loop transfer function the minimum value of the steady state error to a ramp input r(t) = 6tu(t) is OLTF = K/s(s+1)(s+2) |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 12. |
The steady state error for a unity feedback system for the input r(t) = Rt^2/2 to the system G(s) = K(s+2)/s(s3+7s2+12s) is |
| A. | 0 |
| B. | 6R/K |
| C. | ‚àû |
| D. | 3R/K |
| Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚àö¬™ | |