MCQOPTIONS
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MCQOPTIONS
This section includes 26 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. |
Which hydraulic jump occurs in our sink? |
| A. | Inertial forces hydraulic jump |
| B. | Shallow fluid hydraulic jump |
| C. | Critical depth jump |
| D. | Hydraulic radius expands |
| Answer» C. Critical depth jump | |
| 2. |
During a subcritical flow, what is the value of Froude’s number? |
| A. | Zero |
| B. | Greater than one |
| C. | Less than one |
| D. | Not defined |
| Answer» D. Not defined | |
| 3. |
Fluid flow after the hydraulic jump is ______ |
| A. | Normal |
| B. | Rough |
| C. | Smooth |
| D. | Zero |
| Answer» C. Smooth | |
| 4. |
Fluid flow before the hydraulic jump is ______ |
| A. | Normal |
| B. | Rough |
| C. | Smooth |
| D. | Zero |
| Answer» D. Zero | |
| 5. |
Fluid height after the hydraulic jump is ________ |
| A. | Normal |
| B. | Low |
| C. | High |
| D. | Zero |
| Answer» D. Zero | |
| 6. |
For what value of Froude number the jump is steady jump? |
| A. | F1 = 1 |
| B. | F1 = 1.7 to 4.5 |
| C. | F1 = 4.5 to 9 |
| D. | F1 = 9 |
| Answer» D. F1 = 9 | |
| 7. |
In what limits the slopes of the glacis are provided? |
| A. | 2:1 to 5:1 |
| B. | 3:1 to 4:1 |
| C. | 5:2 to 6:2 |
| D. | 4:3 to 7:5 |
| Answer» B. 3:1 to 4:1 | |
| 8. |
The length of the jump is how times the height of the jump? |
| A. | 3 |
| B. | 5 |
| C. | 2 |
| D. | 4 |
| Answer» C. 2 | |
| 9. |
On which surface the energy dissipation is less efficient? |
| A. | Horizontal Bed |
| B. | Freeboard |
| C. | Level Floor |
| D. | Sloping Glacis |
| Answer» E. | |
| 10. |
Depending upon the Froude number, into how many groups the jumps are classified? |
| A. | 8 |
| B. | 6 |
| C. | 7 |
| D. | 4 |
| Answer» C. 7 | |
| 11. |
How many assumptions are made for the derivation of momentum formula? |
| A. | 6 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |
| 12. |
For the value of Froude number 9 the jump is said to be strong jump. |
| A. | False |
| B. | True |
| Answer» C. | |
| 13. |
For what limits of Froude number, the jump is said to be weak jump? |
| A. | 1.1 to 2.4 |
| B. | 1.9 to 2.9 |
| C. | 1.5 to 2.2 |
| D. | 1.7 to 2.5 |
| Answer» E. | |
| 14. |
When the change in depth is large, then the jump is said to be direct jump. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
When the depth is small, the name for the jump? |
| A. | Undular Jump |
| B. | Direct Jump |
| C. | Strong Jump |
| D. | Oscillating Jump |
| Answer» B. Direct Jump | |
| 16. |
FLUID_FLOW_BEFORE_THE_HYDRAULIC_JUMP_IS_______?$ |
| A. | Normal |
| B. | Rough |
| C. | Smooth |
| D. | Zero |
| Answer» D. Zero | |
| 17. |
During a subcritical flow, what is the value of Froude’s number?$# |
| A. | Zero |
| B. | Greater than one |
| C. | Less than one |
| D. | Not defined |
| Answer» D. Not defined | |
| 18. |
Fluid_flow_after_the_hydraulic_jump_is_______$ |
| A. | Normal |
| B. | Rough |
| C. | Smooth |
| D. | Zero |
| Answer» C. Smooth | |
| 19. |
Which_hydraulic_jump_occurs_in_our_sink? |
| A. | Inertial forces hydraulic jump |
| B. | Shallow fluid hydraulic jump |
| C. | Critical depth jump |
| D. | Hydraulic radius expands |
| Answer» C. Critical depth jump | |
| 20. |
Fluid height after the hydraulic jump is _______? |
| A. | Normal |
| B. | Low |
| C. | High |
| D. | Zero |
| Answer» D. Zero | |
| 21. |
Fluid height before the hydraulic jump is ________ |
| A. | Normal |
| B. | Low |
| C. | High |
| D. | Zero |
| Answer» C. High | |
| 22. |
Fluid speed before the hydraulic jump is ________ |
| A. | Critical |
| B. | Supercritical |
| C. | Subcritical |
| D. | Dynamic |
| Answer» C. Subcritical | |
| 23. |
Open channel flow takes place _______ |
| A. | On a free surface |
| B. | In the pipe |
| C. | Within a cylindrical depth |
| D. | In a pump |
| Answer» B. In the pipe | |
| 24. |
In which case is the hydraulic jump not possible? |
| A. | Initial speed > critical speed |
| B. | Initial speed < critical speed |
| C. | Initial speed = critical speed |
| D. | Independent |
| Answer» C. Initial speed = critical speed | |
| 25. |
Hydraulic jump depends upon |
| A. | Temperature |
| B. | Pressure |
| C. | Initial fluid speed |
| D. | Volumetric changes |
| Answer» D. Volumetric changes | |
| 26. |
Hydraulic jump is observed in _______ |
| A. | Closed channel flow |
| B. | Open channel flow |
| C. | Flow changes |
| D. | Volumetric changes |
| Answer» C. Flow changes | |