MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Owing to the storage effect, the peak of the outflow hydrograph will be smaller than that of the inflow hydrograph. This reduction in peak value is known as |
| A. | Lag |
| B. | Attenuation |
| C. | Routing |
| D. | Prism storage |
| Answer» C. Routing | |
| 2. |
In routing a flood through a reach, the point of intersection of inflow and outflow hydrographs coincides with the peak of outflow hydrograph |
| A. | In all cases of flood routing |
| B. | In channel routing only |
| C. | In all cases of reservoir routing |
| D. | When the inflow is into a reservoir with an uncontrolled outlet |
| Answer» E. | |
| 3. |
Probability of a 10-year flood to occur at least once in the next 5 years is |
| A. | 35% |
| B. | 40% |
| C. | 50% |
| D. | 65% |
| Answer» C. 50% | |
| 4. |
Muskingum method is used in |
| A. | hydrologic reservoir routing |
| B. | hydrologic channel routing |
| C. | hydraulic channel routing |
| D. | hydraulic reservoir routing |
| Answer» C. hydraulic channel routing | |
| 5. |
Probable maximum flood is |
| A. | an impossibly large flood discharge |
| B. | largest flood that could conceivably occur at a particular location |
| C. | a flood with maximum probability of occurrence |
| D. | the maximum possible flood which is probable for that year |
| Answer» C. a flood with maximum probability of occurrence | |
| 6. |
Probability of a 10 year flood to occur at least once in the next 4 years is: |
| A. | 25% |
| B. | 35% |
| C. | 50% |
| D. | 65% |
| Answer» C. 50% | |
| 7. |
Peak lag in reservoir planning denotes: |
| A. | time for maximum inflow - time for maximum outflow |
| B. | time for maximum outflow - time for maximum inflow |
| C. | time for minimum inflow - time for maximum outflow |
| D. | time for maximum outflow - time for minimum outflow |
| E. | time form minimum outflow - time for maximum outflow |
| Answer» C. time for minimum inflow - time for maximum outflow | |
| 8. |
Probability of a 10 years flood to occur at least once in the next 4 years is: |
| A. | 25% |
| B. | 35% |
| C. | 50% |
| D. | 65% |
| Answer» C. 50% | |
| 9. |
A 100-year flood is |
| A. | one which occur after every 100 years |
| B. | one which will occur on an average once in 100 years |
| C. | one which can never occur twice in 100 years |
| D. | one which cannot occur next year |
| Answer» C. one which can never occur twice in 100 years | |
| 10. |
A flood of certain magnitude has a return period of 30 y. The probability of its exceedance is |
| A. | 30 |
| B. | 0.033 |
| C. | 0.066 |
| D. | 0.099 |
| E. | 0.12 |
| Answer» C. 0.066 | |
| 11. |
A 6-hour rainfall of 6 cm at a place A was found to have a return period of 40 years. The probability that a 6 hour rainfall of this or larger magnitude will occur at least once in 20 successive years is: |
| A. | 0.308 |
| B. | 0.015 |
| C. | 0.605 |
| D. | 0.397 |
| Answer» E. | |