MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is a velocity potential? |
| A. | |
| B. | |
| C. | <b>V</b> |
| D. | ( <b>V</b>) |
| Answer» C. <b>V</b> | |
| 2. |
According to d Alember s paradox, what happens when the flow over a body is irrotational? |
| A. | Results in infinite drag |
| B. | Results in zero drag |
| C. | Results in formation of vortices behind the body |
| D. | Results in body forces |
| Answer» C. Results in formation of vortices behind the body | |
| 3. |
What is the value of angular velocity at a point on the solid surface outside the boundary layer where the velocity becomes equal to free stream velocity? |
| A. | Infinite |
| B. | One |
| C. | Zero |
| D. | 0.5 |
| Answer» D. 0.5 | |
| 4. |
Which of these conditions is not met at a point for irrotational flow? |
| A. | ( frac { w}{ y} = frac { v}{ z} ) |
| B. | ( frac { w}{ x} = frac { u}{ z} ) |
| C. | ( frac { v}{ x} = frac { u}{ z} ) |
| D. | ( frac { v}{ x} = frac { u}{ y} ) |
| Answer» D. ( frac { v}{ x} = frac { u}{ y} ) | |
| 5. |
According to Euler s equation, what happens to the velocity of the inviscid flow if the pressure increases? |
| A. | No change |
| B. | Increases |
| C. | Decreases |
| D. | Becomes zero |
| Answer» D. Becomes zero | |
| 6. |
The special form of Euler s equation dp = VdV is applicable for rotational flow. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which of these scenarios will lead to formation of vorticity? |
| A. | Flow behind curved shock wave |
| B. | Flow over a sharp wedge |
| C. | Two dimensional nozzle flow |
| D. | Flow over a slender body |
| Answer» B. Flow over a sharp wedge | |
| 8. |
What is the value of vorticity for a irrotational flow? |
| A. | |
| B. | 2 |
| C. | Zero |
| D. | Infinite |
| Answer» C. Zero | |
| 9. |
Vorticity is thrice as much as the angular velocity. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Which of these equations represent vorticity? |
| A. | .<b>V</b> |
| B. | <b>V</b> |
| C. | .<b>V</b><sup>2</sup> |
| D. | ( .<b>V</b>) <b>V</b> |
| Answer» C. .<b>V</b><sup>2</sup> | |
| 11. |
What happens to the flow which passes through a curved shock wave? |
| A. | Creates vorticity downstream |
| B. | Creates vorticity upstream |
| C. | Flow passes by undisturbed |
| D. | Flow moves parallel to the curves shock wave |
| Answer» B. Creates vorticity upstream | |