MCQOPTIONS
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MCQOPTIONS
This section includes 20 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. |
During a critical flow, what is value of Froude’s number |
| A. | Zero |
| B. | Greater than one |
| C. | Less than one |
| D. | Equal to one |
| Answer» E. | |
| 2. |
During a supercritical flow, what is value of Froude’s number? |
| A. | Zero |
| B. | Greater than one |
| C. | Less than one |
| D. | Not defined |
| Answer» C. Less than one | |
| 3. |
Subcritical depth occurs when_________ |
| A. | Actual water depth > Critical depth |
| B. | Actual water depth < Critical depth |
| C. | Actual water depth = Critical depth |
| D. | They are independent |
| Answer» B. Actual water depth < Critical depth | |
| 4. |
Normal depth occurs only for a uniform and steady flow. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
When the energy is at minimum for flow discharge, it is called _________ |
| A. | Normal depth |
| B. | Roughness |
| C. | Critical depth |
| D. | Hydraulic radius |
| Answer» D. Hydraulic radius | |
| 6. |
Manning’s equation is not used to calculate_________ |
| A. | Normal depth |
| B. | Roughness |
| C. | Critical depth |
| D. | Hydraulic radius |
| Answer» D. Hydraulic radius | |
| 7. |
Which among the following is the Manning’s equation? |
| A. | Q = A/v |
| B. | Q = vA |
| C. | Q = v+A |
| D. | Q = v-A |
| Answer» C. Q = v+A | |
| 8. |
NORMAL_DEPTH_OCCURS_ONLY_FOR_A_UNIFORM_AND_STEADY_FLOW.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Subcritical depth occurs when_________$ |
| A. | Actual water depth > Critical depth |
| B. | Actual water depth < Critical depth |
| C. | Actual water depth = Critical depth |
| D. | They are independent |
| Answer» B. Actual water depth < Critical depth | |
| 10. |
During a critical flow, what is value of Froude’s number$ |
| A. | Zero |
| B. | Greater than one |
| C. | Less than one |
| D. | Equal to one |
| Answer» E. | |
| 11. |
During a supercritical flow, what is value of Froude’s number?$ |
| A. | Zero |
| B. | Greater than one |
| C. | Less than one |
| D. | Not defined |
| Answer» C. Less than one | |
| 12. |
Supercritical depth occurs when_________ |
| A. | Inertial forces behave as unstable flow |
| B. | Roughness is high |
| C. | Critical depth increases |
| D. | Hydraulic radius expands |
| Answer» B. Roughness is high | |
| 13. |
When the energy is at minimum for flow discharge, it is called ________? |
| A. | Normal depth |
| B. | Roughness |
| C. | Critical depth |
| D. | Hydraulic radius |
| Answer» D. Hydraulic radius | |
| 14. |
Manning’s equation is not used to calculate_________$ |
| A. | Normal depth |
| B. | Roughness |
| C. | Critical depth |
| D. | Hydraulic radius |
| Answer» D. Hydraulic radius | |
| 15. |
Which among the following is the Manning’s equation?$ |
| A. | Q = A/v |
| B. | Q = vA |
| C. | Q = v+A |
| D. | Q = v-A |
| Answer» C. Q = v+A | |
| 16. |
When the depth is normal, which parameter is zero? |
| A. | Pressure |
| B. | Temperature |
| C. | Volume |
| D. | Acceleration |
| Answer» E. | |
| 17. |
When gravitational force is equal to the friction drag, what type of depth is formed? |
| A. | Critical depth |
| B. | Normal depth |
| C. | Cylindrical depth |
| D. | Conical depth |
| Answer» C. Cylindrical depth | |
| 18. |
What is the condition for a normal depth? |
| A. | Water depth remains a constant |
| B. | Temperature of fluid remains a constant |
| C. | Pressure of fluid remains a constant |
| D. | Isentropic and adiabatic flow |
| Answer» B. Temperature of fluid remains a constant | |
| 19. |
The surface profile is classified into normal depth and critical depth. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 20. |
A surface profile is a measure of _______ |
| A. | Temperature changes |
| B. | Pressure changes |
| C. | Flow changes |
| D. | Volumetric changes |
| Answer» D. Volumetric changes | |