MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The units of viscosity are __________ |
| A. | N/m |
| B. | Ns/m2 |
| C. | m/s |
| D. | Dimension less quantity |
| Answer» C. m/s | |
| 2. |
Density is ratio of __________ |
| A. | mass to volume |
| B. | volume to mass |
| C. | mass to pressure |
| D. | pressure to volume |
| Answer» B. volume to mass | |
| 3. |
When the velocity at a point becomes zero, it refers to ___________ |
| A. | slip condition |
| B. | no slip condition |
| C. | positive slip condition |
| D. | negative slip condition |
| Answer» C. positive slip condition | |
| 4. |
When velocity potential (Φ) is constant, it is called as _________ |
| A. | velocity line |
| B. | velocity curve |
| C. | potential line |
| D. | equipotential line |
| Answer» E. | |
| 5. |
DENSITY_IS_RATIO_OF___________?$ |
| A. | mass to volume |
| B. | volume to mass |
| C. | mass to pressure |
| D. | pressure to volume |
| Answer» B. volume to mass | |
| 6. |
The units of viscosity are __________$ |
| A. | N/m |
| B. | Ns/m<sup>2</sup> |
| C. | m/s |
| D. | Dimension less quantity |
| Answer» C. m/s | |
| 7. |
When the velocity at a point becomes zero, it refers to __________? |
| A. | slip condition |
| B. | no slip condition |
| C. | positive slip condition |
| D. | negative slip condition |
| Answer» C. positive slip condition | |
| 8. |
The sound which can be related to explosion in human ears is _____ |
| A. | high frequency sound |
| B. | low frequency sound |
| C. | boom |
| D. | sonic boom |
| Answer» E. | |
| 9. |
The ratio of Inertia force to elastic force is called as ________ |
| A. | Reynold’s number |
| B. | Froude number |
| C. | Weber number |
| D. | Mach number |
| Answer» E. | |
| 10. |
Which of the following is suitable for the jet of oil in an unbroken stream? |
| A. | temperature |
| B. | surface tension |
| C. | capillarity |
| D. | vapour pressure |
| Answer» C. capillarity | |
| 11. |
When the amount of fluid displaced is equal to weight of body, it is called as _______ |
| A. | metacentre |
| B. | buoyancy |
| C. | centre of buoyancy |
| D. | centre of gravity |
| Answer» C. centre of buoyancy | |
| 12. |
When both the source and sink are of equal strength it is called ________ |
| A. | sink |
| B. | source |
| C. | doublet |
| D. | positive derivative of flow |
| Answer» D. positive derivative of flow | |
| 13. |
Series of equipotential lines and streamlines is ________ |
| A. | flow net |
| B. | constant flow |
| C. | equilibrium flow |
| D. | positive flow |
| Answer» B. constant flow | |
| 14. |
When velocity potential (Φ) is constant, it is called as _________ |
| A. | velocity line |
| B. | velocity curve |
| C. | potential line |
| D. | equipotential line |
| Answer» E. | |