MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A body floats on the surface when ____________ |
| A. | metacenter is above gravity |
| B. | metacenter is below gravity |
| C. | metacenter is equal to gravity |
| D. | gravity is above metacenter |
| Answer» B. metacenter is below gravity | |
| 2. |
The following figure is an example of ____________ |
| A. | source flow |
| B. | sink flow |
| C. | doublet |
| D. | free vortex flow |
| Answer» E. | |
| 3. |
A body floats on the surface when ___________? |
| A. | metacenter is above gravity |
| B. | metacenter is below gravity |
| C. | metacenter is equal to gravity |
| D. | gravity is above metacenter |
| Answer» B. metacenter is below gravity | |
| 4. |
Centre of pressure can be calculated using __________ |
| A. | Principle of moments |
| B. | Principle of energy |
| C. | Mass conservation |
| D. | Rayleigh’s principle |
| Answer» B. Principle of energy | |
| 5. |
The circles with their centre on the X axis _____________ |
| A. | eccentric circles |
| B. | concentric circles |
| C. | potential lines |
| D. | equal circles |
| Answer» D. equal circles | |
| 6. |
The combination of uniform flow and source flow gives ___________ |
| A. | flow past a cylinder |
| B. | flow past a half body |
| C. | flow past a full body |
| D. | flow past a wedge |
| Answer» C. flow past a full body | |
| 7. |
The strength of the vortex flow can be given by ______________ |
| A. | Γ=2*pi*C |
| B. | Γ=2*pi |
| C. | Γ=-2*pi*C |
| D. | Γ=0 |
| Answer» D. ‚âà√≠‚àö¬®=0 | |
| 8. |
Except at the origin where r=0, the vortex flow is ___________ |
| A. | rotational |
| B. | laminar |
| C. | irrotational |
| D. | turbulent |
| Answer» D. turbulent | |
| 9. |
The free vortex flow forms _________ |
| A. | straight lines |
| B. | concentric circles |
| C. | parabola |
| D. | hyperbola |
| Answer» C. parabola | |