MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 16 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. |
Region of convergence of a causal LTI system |
| A. | Is the entire s-plane |
| B. | Is the right-half of s-plane |
| C. | Is the left-half of s-plane |
| D. | Does not exist |
| Answer» C. Is the left-half of s-plane | |
| 2. |
Z-transform converts convolution of time-signals to |
| A. | Addition |
| B. | Subtraction |
| C. | Multiplication |
| D. | Division |
| Answer» D. Division | |
| 3. |
The order of a linear constant-coefficient differential equation representing a system refers to the number of |
| A. | Active devices |
| B. | Elements including sources |
| C. | Passive devices |
| D. | None of the mentioned |
| Answer» E. | |
| 4. |
If a periodic function f(t) of period T satisfies f(t) = −f (t + T/2) , then in its Fourier series expansion |
| A. | The constant term will be zero |
| B. | There will be no cosine terms |
| C. | There will be no sine terms |
| D. | There will be no even harmonics |
| Answer» C. There will be no sine terms | |
| 5. |
The continuous time system described by 2 y(t) = x (t2) is |
| A. | Causal, linear and time varying |
| B. | Causal, non-linear and time varying |
| C. | Non causal, non-linear and time-invariant |
| D. | Non causal, linear and time-invariant |
| Answer» E. | |
| 6. |
The FT of a rectangular pulse existing between t = − T 2/ to t = T / 2 is a |
| A. | Sinc squared function |
| B. | Sinc function |
| C. | Sine squared function |
| D. | Sine function |
| Answer» C. Sine squared function | |
| 7. |
Z-TRANSFORM_CONVERTS_CONVOLUTION_OF_TIME-SIGNALS_TO?$ |
| A. | Addition |
| B. | Subtraction |
| C. | Multiplication |
| D. | Division |
| Answer» D. Division | |
| 8. |
Region_of_convergence_of_a_causal_LTI_system$ |
| A. | Is the entire s-plane |
| B. | Is the right-half of s-plane |
| C. | Is the left-half of s-plane |
| D. | Does not exist |
| Answer» C. Is the left-half of s-plane | |
| 9. |
The order of a linear constant-coefficient differential equation representing a system refers to the number o? |
| A. | Active devices |
| B. | Elements including sources |
| C. | Passive devices |
| D. | None of the mentioned |
| Answer» E. | |
| 10. |
Given a unit step function u (t), its time-derivative is: |
| A. | A unit impulse |
| B. | Another step function |
| C. | A unit ramp function |
| D. | A sine function |
| Answer» B. Another step function | |
| 11. |
If a periodic function f(t) of period T satisfies f(t) = ‚àíf (t + T/2) , then in its Fourier series expansion$ |
| A. | The constant term will be zero |
| B. | There will be no cosine terms |
| C. | There will be no sine terms |
| D. | There will be no even harmonics |
| Answer» C. There will be no sine terms | |
| 12. |
If G( f) represents the Fourier Transform of a signal g (t) which is real and odd symmetric in time, then G (f) is |
| A. | Complex |
| B. | Imaginary |
| C. | Real |
| D. | Real and non-negative |
| Answer» C. Real | |
| 13. |
The continuous time system described by 2 y(t) = x (t2) is |
| A. | Causal, linear and time varying |
| B. | Causal, non-linear and time varying |
| C. | Non causal, non-linear and time-invariant |
| D. | Non causal, linear and time-invariant |
| Answer» E. | |
| 14. |
The system characterized by the equation y(t) = ax(t) + b is |
| A. | Linear for any value of b |
| B. | Linear if b > 0 |
| C. | Linear if b < 0 |
| D. | Non-linear |
| Answer» E. | |
| 15. |
The FT of a rectangular pulse existing between t = ‚àí T 2/ to t = T / 2 is a$ |
| A. | Sinc squared function |
| B. | Sinc function |
| C. | Sine squared function |
| D. | Sine function |
| Answer» C. Sine squared function | |
| 16. |
The auto-correlation function of a rectangular pulse of duration T is |
| A. | A rectangular pulse of duration T |
| B. | A rectangular pulse of duration 2T |
| C. | A triangular pulse of duration T |
| D. | A triangular pulse of duration 2T |
| Answer» E. | |