MCQOPTIONS
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This section includes 5 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. |
If the z-transform of the system is given byH (z) = a+z-1/1+az-1 |
| A. | nWhere a is real valued: |
| B. | tA low pass filter |
| C. | tA high pass filter |
| D. | tAn all pass filter |
| E. | tA bandpass filter |
| Answer» D. tAn all pass filter | |
| 2. |
Final value theorem is used for: |
| A. | tAll type of systems |
| B. | tStable systems |
| C. | tUnstable systems |
| D. | tMarginally stable systems |
| Answer» C. tUnstable systems | |
| 3. |
The z-transform corresponding to the Laplace transform G(s) =10/s(s+5) is |
| A. | (2z frac{e^{-5z}}{(z-1)(z-e^{-T})} ) |
| B. | ( frac{1 e^{-5z}}{(z-1)(z-e^{-5T})} ) |
| C. | ( frac{e^{-5T}}{(z-1)^2} ) |
| D. | ( frac{e^{-T}}{(z)(z-e^{-5T})} ) |
| Answer» C. ( frac{e^{-5T}}{(z-1)^2} ) | |
| 4. |
Assertion (A): Z-transform is used to analyze discrete time systems and it is also called pulsed transfer function approach.Reason(R): The sampled signal is assumed to be a train of impulses whose strengths, or areas, are equal to the continuous time signal at the sampling instants. |
| A. | tBoth A and R are true and R is correct explanation of A |
| B. | tBoth A and R are true and R is not correct Explanation of A |
| C. | tA is True and R is false |
| D. | tA is False and R is true |
| Answer» B. tBoth A and R are true and R is not correct Explanation of A | |
| 5. |
Assertion (A): The system functionH(z) = z3-2z2+z/z2+1/4z+1/s is not causal |
| A. | nReason (R): If the numerator of H (z) is of lower order than the denominator, the system may be causal. |
| B. | tBoth A and R are true and R is correct explanation of A |
| C. | tBoth A and R are true and R is not correct Explanation of A |
| D. | tA is True and R is false |
| E. | tA is False and R is true |
| Answer» B. tBoth A and R are true and R is correct explanation of A | |