 
			 
			MCQOPTIONS
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				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. | |