MCQOPTIONS
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MCQOPTIONS
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. |
Direction: The following item consists of two statements, one labelled as ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answers to these items using the code given below:Statement I: Self-loops can exist in block diagram but not in signal flow graph.Statement II: Both block diagrams and signal flow graphs are applicable to linear time-invariant systems. |
| A. | Both Statement I and Statement II are individually true and Statement II is the correct explanation of Statement I |
| B. | Both Statement I and Statement II are individually true but Statement II is not the correct explanation of Statement I |
| C. | Statement I is true but Statement II is false |
| D. | Statement I is false but Statement II is true |
| Answer» E. | |
| 2. |
Consider the following statements for signal flow graph:1. It represents linear as well as non-linear systems.2. It is not unique for a given system.Which of the above statements is/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 and 2 | |
| 3. |
Find the transfer function \(\frac{C\left( s \right)}{R\left( s \right)}\) of the system: |
| A. | \(\frac{G+{{H}_{1}}}{1+G{{H}_{2}}}\) |
| B. | \(\frac{G}{1+G{{H}_{2}}-G{{H}_{1}}}\) |
| C. | \(\frac{G+{{H}_{1}}}{1+G{{H}_{2}}G{{H}_{1}}}\) |
| D. | \(\frac{G+{{H}_{1}}}{1-G{{H}_{2}}}\) |
| Answer» B. \(\frac{G}{1+G{{H}_{2}}-G{{H}_{1}}}\) | |
| 4. |
Determine the output C due to R, U1, and U2. |
| A. | \(C = \frac{{{G_1}{G_2}R + {G_2}{U_1} + {G_1}{G_2}{H_1}{U_2}}}{{1 + {G_1}{G_2}{H_1}{H_2}}}\) |
| B. | \(C = \frac{{{G_1}{G_2}R + {G_2}{U_1} + {G_1}{G_2}{H_1}{U_2}}}{{1 - {G_1}{G_2}{H_1}{H_2}}}\) |
| C. | \(C = \frac{{{G_1}{G_2}R - {G_2}{U_1} + {G_1}{G_2}{H_1}{U_2}}}{{1 - {G_1}{G_2}{H_1}{H_2}}}\) |
| D. | \(C = \frac{{{G_1}{G_2}R - {G_2}{U_1} - {G_1}{G_2}{H_1}{U_2}}}{{1 + {G_1}{G_2}{H_1}{H_2}}}\) |
| Answer» C. \(C = \frac{{{G_1}{G_2}R - {G_2}{U_1} + {G_1}{G_2}{H_1}{U_2}}}{{1 - {G_1}{G_2}{H_1}{H_2}}}\) | |
| 5. |
For the signal flow graph shown in fig below the graph determinant Δ is |
| A. | 1-bc-fg-bcfg+cigj |
| B. | 1-bc-fg-cigj+bcfg |
| C. | 1+bc+fg+cigj-bcfg |
| D. | 1+bc+fg+bcfg-cigj |
| Answer» E. | |