MCQOPTIONS
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MCQOPTIONS
This section includes 4 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 dimensions of a rectangular channel is 3m 2m and the bed slope of the channel is 1 in 1000, calculate the rate of change of depth if the rate of change of specific energy is 2 10-5m. Given: n = 0.010 |
| A. | 1.43 10<sup>-5</sup>m |
| B. | 2.43 10<sup>-5</sup>m |
| C. | 3.43 10<sup>-5</sup>m |
| D. | 4.43 10<sup>-5</sup>m |
| Answer» D. 4.43 10<sup>-5</sup>m | |
| 2. |
Calculate the slope of the energy line if the bed slope of the channel is 4.81 10-5 if the depths of the channel are 2.7m and 4.7m and velocities are 1 m/s and 0.5m/s respectively. |
| A. | 0.00002 |
| B. | 0.00003 |
| C. | 0.00004 |
| D. | 0.00005 |
| Answer» E. | |
| 3. |
If the depths in a channel are 2m and 4m and the velocities are 0.5 m/s and 0.3m/s, calculate the difference between specific energies. |
| A. | 2m |
| B. | 3m |
| C. | 4m |
| D. | 5m |
| Answer» B. 3m | |
| 4. |
What is the expression for the length of the backwater curve? |
| A. | L = ( frac{E_2-E_1}{S_f-S_0} ) |
| B. | L = ( frac{E_2-E_1}{S_f} ) |
| C. | L = ( frac{E_2-E_1}{S_0-S_f} ) |
| D. | L = ( frac{E_2-E_1}{S_0} ) |
| Answer» D. L = ( frac{E_2-E_1}{S_0} ) | |