MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The specific energy of a triangular channel is 5.06m and the depth of the channel is 5m having side slope of 1H:4V then calculate the value of C. Given: S0=1 in 1000. |
| A. | 40 |
| B. | 45 |
| C. | 50 |
| D. | 55 |
| Answer» C. 50 | |
| 2. |
A circular channel has diameter of 6m, calculate the specific energy of the channel if the bed slope of the channel is 1 in 1000. Given: C = 60. |
| A. | 5.27m |
| B. | 6.27m |
| C. | 7.27m |
| D. | 8.27m |
| Answer» C. 7.27m | |
| 3. |
Calculate the specific energy of a trapezoidal channel having depth 2m, base width of 5m and side slope of 1H:2V. Given : S0= 1/1000 and C = 50. |
| A. | 2.16m |
| B. | 3.16m |
| C. | 4.16m |
| D. | 5.16m |
| Answer» B. 3.16m | |
| 4. |
Calculate the specific energy for a triangular channel having depth 4m, side slope 1H:2V and bed slope of 1 in 1000. Given: C = 40. |
| A. | 2.07m |
| B. | 3.07m |
| C. | 4.07m |
| D. | 5.07m |
| Answer» D. 5.07m | |
| 5. |
Calculate the specific energy for a rectangular channel having depth 2m and width 3m. Given: Discharge (Q) = 8.78 m3/s. |
| A. | 2.11m |
| B. | 3.11m |
| C. | 4.11m |
| D. | 5.11m |
| Answer» B. 3.11m | |
| 6. |
Calculate the specific energy for a channel having depth 3m and velocity of flow being 1.5 m/s |
| A. | 2.11m |
| B. | 3.11m |
| C. | 4.11m |
| D. | 5.11m |
| Answer» C. 4.11m | |
| 7. |
For a given discharge Q and area A, specific energy is constant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Energy per unit weight of water measured with respect to the datum is called as _______ |
| A. | Total energy |
| B. | Specific energy |
| C. | Velocity head |
| D. | Datum head |
| Answer» C. Velocity head | |
| 9. |
Which of the following conditions is not true for an uniform flow? |
| A. | y1 = y2 |
| B. | S0 = Sf |
| C. | Z1 = Z2 |
| D. | V1 = V2 |
| Answer» D. V1 = V2 | |
| 10. |
What is the plot between Total energy and channel position called as? |
| A. | Specific grade line |
| B. | Energy grade line |
| C. | Datum line |
| D. | Velocity line |
| Answer» C. Datum line | |
| 11. |
What is energy per unit head of water called as __________ |
| A. | Total energy |
| B. | Specific energy |
| C. | Velocity head |
| D. | Datum head |
| Answer» B. Specific energy | |