MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Oscillations in output response is due to : |
| A. | Positive feedback |
| B. | Negative feedback |
| C. | No feedback |
| D. | None of the mentioned |
| Answer» B. Negative feedback | |
| 2. |
In the following block diagram, G1=10/s G2=10/s+1 H1=s+3, H2=1. The overall transfer function is given by : |
| A. | 10/11s2+31s+10 |
| B. | 100/11s2+31s+100 |
| C. | 100/11s2+31s+10 |
| D. | 100/11s2+31s |
| Answer» C. 100/11s2+31s+10 | |
| 3. |
Transfer function of the system is defined as the ratio of Laplace output to Laplace input considering initial conditions________ |
| A. | 1 |
| B. | 2 |
| C. | 0 |
| D. | infinite |
| Answer» D. infinite | |
| 4. |
The overall transfer function from block diagram reduction for cascaded blocks is : |
| A. | Sum of individual gain |
| B. | Product of individual gain |
| C. | Difference of individual gain |
| D. | Division of individual gain |
| Answer» C. Difference of individual gain | |
| 5. |
The advantage of block diagram representation is that it is possible to evaluate the contribution of each component to the overall performance of the system. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
The closed loop gain of the system shown in the given figure is : |
| A. | -9/5 |
| B. | -6/5 |
| C. | 6/5 |
| D. | 9/5 |
| Answer» C. 6/5 | |
| 7. |
The transfer function from D(s) to Y(s) is : |
| A. | 2/3s+7 |
| B. | 2/3s+1 |
| C. | 6/3s+7 |
| D. | 2/3s+6 |
| Answer» B. 2/3s+1 | |
| 8. |
For the block diagram given in the following figure, the expression of C/R is: |
| A. | G1G2G3/1-G2G1 |
| B. | G1G2/1-G1G2G3 |
| C. | G1G2G3/1-G1G2G3 |
| D. | G1G2/G3(1-G1G2) |
| Answer» B. G1G2/1-G1G2G3 | |
| 9. |
Consider the block diagram shown below: If the transfer function of the system is given by T(s)=G1G2+G2G3/1+X. Then X is: |
| A. | G2G3G4 |
| B. | G2G4 |
| C. | G1G2G4 |
| D. | G3G4 |
| Answer» C. G1G2G4 | |
| 10. |
Oscillations in output response is due to :$ |
| A. | Positive feedback |
| B. | Negative feedback |
| C. | No feedback |
| D. | None of the mentioned |
| Answer» B. Negative feedback | |
| 11. |
Transfer function of the system is defined as the ratio of Laplace output to Laplace input considering initial conditions_______? |
| A. | 1 |
| B. | 2 |
| C. | 0 |
| D. | infinite |
| Answer» D. infinite | |
| 12. |
The overall transfer function of two blocks in parallel are : |
| A. | Sum of individual gain |
| B. | Product of individual gain |
| C. | Difference of individual gain |
| D. | Division of individual gain |
| Answer» B. Product of individual gain | |