MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the value of head loss for the fully open gate and butterfly valves? |
| A. | 0.5 V2 / 2g |
| B. | V2 / 2g |
| C. | 0.2 V2 / 2g |
| D. | 0.04 V2 / 2g |
| Answer» D. 0.04 V2 / 2g | |
| 2. |
What is the correct Douma’s equation for rectangular tunnels or conduits? |
| A. | X2 + 10.4 Y2 = d2 |
| B. | 4X2 + 10.4 Y2 = d2 |
| C. | 4X2 + 44.4 Y2 = d2 |
| D. | X2 – 10.4 Y2 = d2 |
| Answer» B. 4X2 + 10.4 Y2 = d2 | |
| 3. |
Which of the following entrance of the sluiceway is most superior? |
| A. | A square-edged entrance |
| B. | A Bell-mouthed entrance |
| C. | A rectangular entrance |
| D. | A circular entrance |
| Answer» C. A rectangular entrance | |
| 4. |
A 4 m diameter tunnel has been constructed through an earthen dam with a bell mouth entry. The water levels on the U/s and D/s sides of the dam are at RL 226 m and 210 m respectively. What will be the discharge through this outlet? |
| A. | 64 cumecs |
| B. | 104 cumecs |
| C. | 165 cumecs |
| D. | 216 cumecs |
| Answer» D. 216 cumecs | |
| 5. |
A 2 m diameter sluiceway at RL 300 m is provided through a concrete overflow dam section to release water to the downstream where tail water level is not more than 275 m. The discharge through this outlet when the water level in the reservoir is at FRL of 330 m is of the order of_________________ |
| A. | 20 cumecs |
| B. | 40 cumecs |
| C. | 50 cumecs |
| D. | 80 cumecs |
| Answer» D. 80 cumecs | |
| 6. |
The outlet provided in a dam body to release water for the downstream water demand is known as ______________________ |
| A. | spillway |
| B. | sluiceway |
| C. | under-sluice |
| D. | waterway |
| Answer» C. under-sluice | |
| 7. |
Projecting collars are provided on sides of a rectangular tunnel of length L made through an earthen dam to increase the seepage path. Their projection length (X) and numbers (N) are decided so as to provide increased seepage path equal to 2NX where 2NX should generally be ______________________ |
| A. | greater than L/4 |
| B. | greater than L/3 |
| C. | greater than L/2 |
| D. | greater than L |
| Answer» B. greater than L/3 | |
| 8. |
The bar screens used to cover the dam outlets to prevent entry of debris, or ice into the spillway conduits are called __________________ |
| A. | gate controlled ports |
| B. | projecting collars |
| C. | trash racks |
| D. | intakes |
| Answer» D. intakes | |