MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 minimum specific energy of a rectangular channel is 1.3m and the base width of the channel is 10m, calculate the discharge through the channel. |
| A. | 10 m<sup>3</sup>/s |
| B. | 15 m<sup>3</sup>/s |
| C. | 20m<sup>3</sup>/s |
| D. | 25m<sup>3</sup>/s |
| Answer» E. | |
| 2. |
The base width of a rectangular channel is 4m and the maximum discharge through the channel is 10 m3/s, calculate the specific energy. |
| A. | 0.7m |
| B. | 1.0m |
| C. | 1.3m |
| D. | 1.6m |
| Answer» D. 1.6m | |
| 3. |
Calculate the minimum specific energy of a rectangular channel having critical depth of 1.5m. |
| A. | 3.25m |
| B. | 2.25m |
| C. | 1.25m |
| D. | 0.25m |
| Answer» C. 1.25m | |
| 4. |
Estimate the critical depth in case of a rectangular channel having usual dimensions. |
| A. | y<sub>c</sub> = ( sqrt{ frac{q^2}{g}} ) |
| B. | y<sub>c</sub> = ( sqrt[3]{ frac{q^2}{g}} ) |
| C. | y<sub>c</sub> = ( sqrt{ frac{q}{g}} ) |
| D. | y<sub>c</sub> = ( sqrt[3]{ frac{q}{g}} ) |
| Answer» C. y<sub>c</sub> = ( sqrt{ frac{q}{g}} ) | |
| 5. |
Calculate the specific energy in case of rectangular channel having discharge Q and yc is the critical depth |
| A. | E = ( frac{y_c}{2} ) |
| B. | E = ( frac{3}{2} ) y<sub>c</sub> |
| C. | E = 2y<sub>c</sub> |
| D. | E = 3y<sub>c</sub> |
| Answer» C. E = 2y<sub>c</sub> | |
| 6. |
Determine the velocity in case of critical flow having top width T and area A. |
| A. | V = gD |
| B. | V = ( sqrt{gD} ) |
| C. | V = gD<sup>2</sup> |
| D. | V = g ( frac{D}{2} ) |
| Answer» C. V = gD<sup>2</sup> | |
| 7. |
What is the condition for critical flow in case of maximum discharge? |
| A. | ( frac{Q}{g} = frac{A}{T} ) |
| B. | ( frac{Q^2}{g} = frac{A^2}{T} ) |
| C. | ( frac{Q}{g} = frac{A^3}{T} ) |
| D. | ( frac{Q^2}{g} = frac{A^3}{T} ) |
| Answer» E. | |
| 8. |
What is the condition for critical flow? |
| A. | ( frac{Q}{g} = frac{A}{T} ) |
| B. | ( frac{Q^2}{g} = frac{A^2}{T} ) |
| C. | ( frac{Q}{g} = frac{A^3}{T} ) |
| D. | ( frac{Q^2}{g} = frac{A^3}{T} ) |
| Answer» E. | |