MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 14 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. |
During a storm, the rates of rainfall observed at a frequency of 15 min for one hour are 12.5, 17.5, 22.5 abd 7.5 cm/h. If the phi-index is 7.5 cm/h, then the total run-off will be |
| A. | 22.5 |
| B. | 15 |
| C. | 30 |
| D. | 7.5 |
| Answer» E. | |
| 2. |
Calculate the evaporation (mm) from a pond, if the pan evaporation is 45 mm. The pan coefficient is 0.70. |
| A. | 13.5 |
| B. | 19.28 |
| C. | 31.5 |
| D. | 64.28 |
| Answer» D. 64.28 | |
| 3. |
Rainfall of intensity 20 mm/h occurred over a watershed of area 1 km2 for duration of six hours. It measures a direct runoff for a volume of 30,000 m3 in the stream. Find the precipitation NOT available for runoff in this case? |
| A. | 5 mm |
| B. | 9 cm |
| C. | 17.5 mm |
| D. | 3 cm |
| Answer» C. 17.5 mm | |
| 4. |
Horton’s infiltration capacity is given as |
| A. | f = f0 + [fc – f0] e-kt |
| B. | f = f0 - [fc + f0] e-kt |
| C. | f = f0 - [fc – f0] e-kt |
| D. | f = fc + [f0 – fc] e-kt |
| Answer» E. | |
| 5. |
_________ plays an important part in completion of hydrological cycle |
| A. | Coriolis Force |
| B. | Frictional Force |
| C. | Buoyant Force |
| D. | Air-Resistance Force |
| Answer» B. Frictional Force | |
| 6. |
Meyer’s formula is an empirical formula used to determine? |
| A. | Transpiration |
| B. | Evaporation losses |
| C. | Infiltration capacities |
| D. | None of the above |
| Answer» C. Infiltration capacities | |
| 7. |
For a large catchment, contours joining points of equal monthly rainfall values were plotted. The plot is known as: |
| A. | Isobar map |
| B. | Thiessen polygon |
| C. | Isohyetal map |
| D. | Mass curve |
| Answer» D. Mass curve | |
| 8. |
Laysimeter is used to measure |
| A. | Infiltration |
| B. | Evaporation |
| C. | Vapour pressure |
| D. | Evapotranspiration |
| Answer» E. | |
| 9. |
Infiltration rate is always |
| A. | Less than the infiltration capacity |
| B. | Equal to or less than the infiltration capacity |
| C. | Equal to or more than the infiltration capacity |
| D. | More than the infiltration capacity |
| Answer» C. Equal to or more than the infiltration capacity | |
| 10. |
A 4-hr storm had 4 cm of rainfall and the resulting direct runoff was 2.0 cm. If the ϕ -index remains at the same value, the runoff due to 10 cm of rainfall in 8 hour in the catchment will be: |
| A. | 4.0 cm |
| B. | 6.0 cm |
| C. | 7.5 cm |
| D. | 8.0 cm |
| Answer» C. 7.5 cm | |
| 11. |
A rain gauge recorded hourly rainfall as 5 cm, 2 cm, 4 cm and 3 cm for a four hour storm respectively. If the φ- index was 3 cm/hour, the total direct runoff from a catchment for the storm was |
| A. | 14 cm |
| B. | 12 cm |
| C. | 3 cm |
| D. | 2 cm |
| Answer» D. 2 cm | |
| 12. |
A catchment consists of 40% area with run-off coefficient 0.30 with the remaining 60% area with run-off coefficient 0.50. The equivalent run-off coefficient will be |
| A. | 0.38 |
| B. | 0.42 |
| C. | 0.48 |
| D. | 0.52 |
| Answer» C. 0.48 | |
| 13. |
A permeable stratum which is capable of yielding appreciable quantities of groundwater under gravity is known a/an |
| A. | Well |
| B. | Artesian well |
| C. | Aquifer |
| D. | Aquiclude |
| Answer» D. Aquiclude | |
| 14. |
In a particular catchment area, an accurate estimate of average rainfall can be obtained by |
| A. | Isohyetal method |
| B. | Arithmetic mean method |
| C. | Thiessen method |
| D. | Normal ratio method |
| Answer» B. Arithmetic mean method | |