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This section includes 40 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. |
Assertion (A): Routh criterion is in terms of array formulation, which is more convenient to handle.Reason (R): This method is used to investigate the method of stability of higher order systems. |
| A. | Both A and R are true and R is correct explanation of A |
| B. | Both A and R are true and R is not correct explanation of A |
| C. | A is true but R is false |
| D. | A is False but R is true |
| Answer» C. A is true but R is false | |
| 2. |
None of the coefficients can be zero or negative unless one of the following occurs: |
| A. | One or more roots have positive real parts |
| B. | A root at origin |
| C. | Presence of root at the imaginary axis |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
The necessary condition of stability are: |
| A. | Coefficient of characteristic equation must be real and have the same sign |
| B. | Coefficient of characteristic equation must be non-zero |
| C. | Both of the mentioned |
| D. | Coefficient of characteristic equation must be zero |
| Answer» D. Coefficient of characteristic equation must be zero | |
| 4. |
Non-linear elements may exhibit___________ |
| A. | Linear systems |
| B. | Non-linear systems |
| C. | Limit cycles |
| D. | Time invariant systems |
| Answer» D. Time invariant systems | |
| 5. |
In non-linear system stability is : |
| A. | Dependent on the input |
| B. | Independent on initial state |
| C. | Independent on input |
| D. | Dependent on input and initial state. |
| Answer» E. | |
| 6. |
The stability of the linear system: |
| A. | Determined by the location of the poles |
| B. | Dependent entirely of whether or the system is driven |
| C. | The stability of the undriven linear system is dependent on the magnitude of the final initial state. |
| D. | Stability cannot be determined by the open loop poles |
| Answer» B. Dependent entirely of whether or the system is driven | |
| 7. |
Which is the outermost ring of Neptune? |
| A. | Galatea |
| B. | Adams |
| C. | Galle |
| D. | Leverrier |
| Answer» C. Galle | |
| 8. |
What is Neptune’s rotation period? |
| A. | 24 hours |
| B. | 16 hours 7 minutes |
| C. | 28 hours |
| D. | 36 hours 17 minutes |
| Answer» C. 28 hours | |
| 9. |
Which spacecraft discovered six satellites of Neptune in 1989? |
| A. | Voyager 2 |
| B. | Voyager 1 |
| C. | Luna |
| D. | Challenger |
| Answer» B. Voyager 1 | |
| 10. |
How many years does Neptune take to orbit the Sun? |
| A. | 176 |
| B. | 165 |
| C. | 314 |
| D. | 226 |
| Answer» C. 314 | |
| 11. |
When was Triton discovered? |
| A. | 1815 |
| B. | 1789 |
| C. | 1846 |
| D. | 1833 |
| Answer» D. 1833 | |
| 12. |
Where did Neil Armstrong die? |
| A. | Los Angeles |
| B. | Cincinnati |
| C. | Austin |
| D. | Boston |
| Answer» C. Austin | |
| 13. |
Who are credited with the discovery of Neptune? |
| A. | Hubble and Slipher |
| B. | Adams and Le Verrier |
| C. | Newton and Kepler |
| D. | Lowell and Kelvin |
| Answer» C. Newton and Kepler | |
| 14. |
Where did Neil Armstrong study aeronautical engineering? |
| A. | Caltech |
| B. | West Point |
| C. | Annapolis Academy |
| D. | Purdue University |
| Answer» E. | |
| 15. |
How many satellites of Neptune were discovered in 2002? |
| A. | Four |
| B. | Three |
| C. | Six |
| D. | Five |
| Answer» B. Three | |
| 16. |
When was Neil Armstrong born? |
| A. | 5/15/1928 12:00:00 AM |
| B. | 2/4/1934 12:00:00 AM |
| C. | 12/30/1925 12:00:00 AM |
| D. | 8/5/1930 12:00:00 AM |
| Answer» E. | |
| 17. |
Who discovered Nerenid? |
| A. | Gerard Kuiper |
| B. | Neil Armstrong |
| C. | George Patton |
| D. | Edwin Aldrin |
| Answer» B. Neil Armstrong | |
| 18. |
When did Neil Armstrong land on the moon? |
| A. | 10/16/1967 12:00:00 AM |
| B. | 11/15/1968 12:00:00 AM |
| C. | 3/26/1972 12:00:00 AM |
| D. | 7/20/1969 12:00:00 AM |
| Answer» E. | |
| 19. |
Which rocket plane did Neil Armstrong fly? |
| A. | X-15 |
| B. | Harrier |
| C. | B-1 |
| D. | He 178 |
| Answer» B. Harrier | |
| 20. |
In which war was Neil Armstrong shot down? |
| A. | Vietnam War |
| B. | Korean War |
| C. | World War II |
| D. | Cuban War |
| Answer» C. World War II | |
| 21. |
Where was Neil Armstrong born? |
| A. | Atlanta |
| B. | Wapakoneta |
| C. | Portland |
| D. | Sacramento |
| Answer» C. Portland | |
| 22. |
Galileo had observed Neptune. What did he think of it? |
| A. | Meteor |
| B. | Satellite |
| C. | Star |
| D. | Asteroid |
| Answer» D. Asteroid | |
| 23. |
Who is Neptune in mythology? |
| A. | God of the sea |
| B. | God of the sky |
| C. | God of Flowers |
| D. | God of Trees |
| Answer» B. God of the sky | |
| 24. |
When did Neil Armstrong die? |
| A. | 6/14/2008 12:00:00 AM |
| B. | 1/26/2009 12:00:00 AM |
| C. | 11/12/2005 12:00:00 AM |
| D. | 8/25/2012 12:00:00 AM |
| Answer» E. | |
| 25. |
What did Neil Armstrong say when he landed on the moon? |
| A. | This is the day. This is the hour. |
| B. | I have moon at my feet. |
| C. | For too long I have waited for this moment. |
| D. | That’s one small step for man, one giant leap for mankind. |
| Answer» E. | |
| 26. |
IN_NON-LINEAR_SYSTEM_STABILITY_IS_:?$ |
| A. | Dependent on the input |
| B. | Independent on initial state |
| C. | Independent on input |
| D. | Dependent on input and initial state. |
| Answer» E. | |
| 27. |
The necessary condition of stability are:$ |
| A. | Coefficient of characteristic equation must be real and have the same sign |
| B. | Coefficient of characteristic equation must be non-zero |
| C. | Both of the mentioned |
| D. | Coefficient of characteristic equation must be zero |
| Answer» D. Coefficient of characteristic equation must be zero | |
| 28. |
Non-linear_elements_may_exhibit___________$ |
| A. | Linear systems |
| B. | Non-linear systems |
| C. | Limit cycles |
| D. | Time invariant systems |
| Answer» D. Time invariant systems | |
| 29. |
Assertion (A): Routh criterion is in terms of array formulation, which is more convenient to handle. |
| A. | : This method is used to investigate the method of stability of higher order systems. |
| B. | Both A and R are true and R is correct explanation of A |
| C. | Both A and R are true and R is not correct explanation of A |
| D. | A is true but R is false |
| Answer» C. Both A and R are true and R is not correct explanation of A | |
| 30. |
The Positiveness of the coefficients of characteristic equation is necessary as well as sufficient condition for: |
| A. | First order system |
| B. | Second order system |
| C. | Third order system |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 31. |
The __________ of the coefficients of characteristic equation is necessary as well as sufficient condition for the stability of system of first and second order. |
| A. | Negativeness |
| B. | Positiveness |
| C. | Positiveness and Negativeness |
| D. | None of the mentioned |
| Answer» C. Positiveness and Negativeness | |
| 32. |
None_of_the_coefficients_can_be_zero_or_negative_unless_one_of_the_following_occurs: |
| A. | One or more roots have positive real parts |
| B. | A root at origin |
| C. | Presence of root at the imaginary axis |
| D. | All of the mentioned |
| Answer» E. | |
| 33. |
The stability of the linear system? |
| A. | Determined by the location of the poles |
| B. | Dependent entirely of whether or the system is driven |
| C. | The stability of the undriven linear system is dependent on the magnitude of the final initial state. |
| D. | Stability cannot be determined by the open loop poles |
| Answer» B. Dependent entirely of whether or the system is driven | |
| 34. |
The non-linear systems: |
| A. | Do not obey superposition theorem |
| B. | May be highly sensitive to the input amplitude |
| C. | Laplace and z transform are not applicable to the non-linear systems |
| D. | All of the mentioned |
| Answer» E. | |
| 35. |
The amplitude of the standard test signal does not matter in linear systems: |
| A. | True |
| B. | False |
| Answer» B. False | |
| 36. |
The standard test signal can be applied to give output to: |
| A. | Linear systems |
| B. | Non-linear systems |
| C. | Time variant systems |
| D. | Time invariant systems |
| Answer» B. Non-linear systems | |
| 37. |
The superposition theorem is : |
| A. | Homogeneity |
| B. | Additivity |
| C. | Combination of homogeneity and additivity |
| D. | Applied to non-linear systems |
| Answer» D. Applied to non-linear systems | |
| 38. |
System non-linearities are taken account by: |
| A. | Analytical |
| B. | Graphical and numerical techniques |
| C. | Both a and b |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 39. |
The disadvantages of the linear system are: |
| A. | The constraints on the linear operation over wide range demands unnecessarily high quality. |
| B. | The restriction to the linear theory may inhibit the designer’s curiosity to deliberately introduce the non-linear components. |
| C. | Practically systems are non-linear |
| D. | All of the mentioned |
| Answer» E. | |
| 40. |
The techniques of linear system can be used in the non-linear system entirely: |
| A. | True |
| B. | False |
| Answer» B. False | |