MCQOPTIONS
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MCQOPTIONS
This section includes 10 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_SECTION_IS_2.5M‚ÄÖ√†√∂‚Àւ•1M._CALCULATE_THE_RATE_OF_CHANGE_OF_SPECIFIC_ENERGY_IF_THE_RATE_OF_CHANGE_OF_DEPTH_IS_1.52‚ÄÖ√†√∂‚Àւ•10-3M.?$# |
| A. | 1.17√ó10<sup>-3</sup>m |
| B. | 2.00√ó10<sup>-3</sup>m |
| C. | 2.03√ó10<sup>-3</sup>m |
| D. | 2.06√ó10<sup>-3</sup>m |
| Answer» B. 2.00‚Äö√†√∂‚àö‚â•10<sup>-3</sup>m | |
| 2. |
Calculate_the_value_of_rate_of_change_of_specific_energy_for_a_triangular_channel_having_depth_3.5m_and_the_side_slope_is_1H:2V._Given:V_=_2.5_m/s,_dy/dx=8.6√ó10-4.$# |
| A. | 3.47√ó10<sup>-4</sup>m |
| B. | 4.47√ó10<sup>-4</sup>m |
| C. | 5.47√ó10<sup>-4</sup>m |
| D. | 6.47√ó10<sup>-4</sup>m |
| Answer» D. 6.47‚Äö√†√∂‚àö‚â•10<sup>-4</sup>m | |
| 3. |
The dimensions of a rectangular channel section is2.5m√ó1m. Calculate the value of Sf if the bed slope of the channel is 1 in 600. Given: dy/dx=1.52√ó10-3m?# |
| A. | 0.0002 |
| B. | 0.0003 |
| C. | 0.0004 |
| D. | 0.0005 |
| Answer» E. | |
| 4. |
Calculate the value of bed slope of a trapezoidal channel having depth 2m and width 2.5m with a side slope of1H:3V. Given: dy/dx=1.43√ó10-3; Sf = 0.00002; V = 1.5 m/s.$ |
| A. | 1 in 1000 |
| B. | 1 in 900 |
| C. | 1 in 800 |
| D. | 1 in 700 |
| Answer» D. 1 in 700 | |
| 5. |
Calculate the velocity of flow in a triangular channel having depth 7m and the side slope of the channel is 1H:4V if the bed slope of the channel is 1 in 1200 and the slope of the energy line is 0.00010. Given:( dy)/dx=7.55m. |
| A. | 1 m/s |
| B. | 2 m/s |
| C. | 3 m/s |
| D. | 4 m/s |
| Answer» B. 2 m/s | |
| 6. |
Determine the rate of change of depth of a rectangular channel having dimensions 2m√ó3m and the velocity of flow is 2 m/s.$ |
| A. | |
| B. | 0.63m |
| C. | 1.63m |
| Answer» C. 1.63m | |
| 7. |
Calculate the value of Sf for a trapezoidal channel having depth 2m, width 5m and side slope of 1H:1.5V. Given: dy/dx=1.18√ó10-3,S0 = 1 in 1000, C = 50.$ |
| A. | 0.00001 |
| B. | 0.00002 |
| C. | 0.00003 |
| D. | 0.00004 |
| Answer» B. 0.00002 | |
| 8. |
Calculate the rate of change of depth of a triangular channel if the depth is 4m and the side slope is1H:2V. Given:S0 = 1 in 1500;Sf = 0.00004 and n=0.010. |
| A. | 8.95√ó10<sup>-4</sup>m |
| B. | 9.95√ó10<sup>-4</sup>m |
| C. | 10.95√ó10<sup>-4</sup>m |
| D. | 11.95√ó10<sup>-4</sup> m |
| Answer» B. 9.95‚Äö√†√∂‚àö‚â•10<sup>-4</sup>m | |
| 9. |
Calculate the rate of change of depth of a rectangular channel having depth 1m and width 4m. Given: C = 40, S0 = 1/900, Sf = 0.0005 |
| A. | 4.94√ó10<sup>-4</sup> m |
| B. | 5.94√ó10<sup>-4</sup> m |
| C. | 6.94√ó10<sup>-4</sup> m |
| D. | 7.94√ó10<sup>-4</sup> m |
| Answer» D. 7.94‚Äö√†√∂‚àö‚â•10<sup>-4</sup> m | |
| 10. |
If the value of rate of change of specific energy is 7.79√ó10-4 m and Sf = 0.00013, calculate the value of bed slope. |
| A. | 1 in 1000 |
| B. | 1 in 1100 |
| C. | 1 in 1200 |
| D. | 1 in 1300 |
| Answer» C. 1 in 1200 | |