MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
What is D’Alembert’s Paradox? |
| A. | Resistance= 0 |
| B. | Drag force= 0 |
| C. | Temperature = 0 |
| D. | Pressure gradient= 0 |
| Answer» C. Temperature = 0 | |
| 2. |
WHAT_IS_D‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•ALEMBERT‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_PARADOX??$# |
| A. | Resistance= 0 |
| B. | Drag force= 0 |
| C. | Temperature = 0 |
| D. | Pressure gradient= 0 |
| Answer» C. Temperature = 0 | |
| 3. |
The_steady-_state_flow_must_satisfy____________$ |
| A. | Kirchhoff’s law |
| B. | Newtons law |
| C. | Rutherford’s experiment |
| D. | Kepler’s law |
| Answer» B. Newtons law | |
| 4. |
With the boundary layer separation, displacement thickness________ |
| A. | Increases |
| B. | Decreases |
| C. | Remains Same |
| D. | Independent |
| Answer» B. Decreases | |
| 5. |
Boundary layer separation does not undergo detachment. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which among the following is a device that converts a laminar flow into a turbulent flow? |
| A. | Dead Weight Gauge |
| B. | Vacuum Gauge |
| C. | Turbulator |
| D. | Ionization Gauge |
| Answer» D. Ionization Gauge | |
| 7. |
The swirl caused due to eddies are called as ______ |
| A. | Vortices |
| B. | Vertices |
| C. | Volume |
| D. | Velocity |
| Answer» B. Vertices | |
| 8. |
The flow separation occurs when the fluid travels away from the __________ |
| A. | Surface |
| B. | Fluid body |
| C. | Adverse pressure gradient |
| D. | Inter-molecular spaces |
| Answer» D. Inter-molecular spaces | |
| 9. |
How can we determine whether the flow is laminar or turbulent? |
| A. | Reynold’s number |
| B. | Mach number |
| C. | Froude number |
| D. | Knudsen number |
| Answer» B. Mach number | |