MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Bernoulli’s principle is derived from which of the following? |
| A. | Conservation of mass |
| B. | Conservation of energy |
| C. | Newton’s law of motion |
| D. | Conservation of momentum |
| Answer» C. Newton’s law of motion | |
| 2. |
Bernoulli’s equation can be applied to compressible flow at which of the following matches the number? |
| A. | mach number less than 1 |
| B. | mach number equal to 1 |
| C. | higher mach numbers |
| D. | does not depends on mach number |
| Answer» D. does not depends on mach number | |
| 3. |
Bernoulli’s equation can be directly applied to viscous flow. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The pressure for an ideal gas can be given by ____________ |
| A. | pV=nRT |
| B. | p=RT |
| C. | pV=T |
| D. | p=VT |
| Answer» B. p=RT | |
| 5. |
Bernoulli’s equation is applicable only for _______ |
| A. | Irrotational flow |
| B. | Viscous flow |
| C. | Inviscid, incompressible flow |
| D. | Compressible flow |
| Answer» D. Compressible flow | |
| 6. |
BERNOULLI‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_EQUATION_CAN_BE_DIRECTLY_APPLIED_TO_VISCOUS_FLOW.?$# |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Bernoulli’s principle is derived from which of the following?$# |
| A. | Conservation of mass |
| B. | Conservation of energy |
| C. | Newton’s law of motion |
| D. | Conservation of momentum |
| Answer» C. Newton‚Äö√Ñ√∂‚àö√ë‚àö¬•s law of motion | |
| 8. |
Bernoulli’s equation can be applied to compressible flow at which of the following matches the number?$# |
| A. | mach number less than 1 |
| B. | mach number equal to 1 |
| C. | higher mach numbers |
| D. | does not depends on mach number |
| Answer» D. does not depends on mach number | |
| 9. |
An increase in the speed of the flow leads to an increase in kinetic energy and dynamic pressure. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
The pressure for an ideal gas can be given by ___________? |
| A. | pV=nRT |
| B. | p=RT |
| C. | pV=T |
| D. | p=VT |
| Answer» B. p=RT | |
| 11. |
The coefficient of pressure at stagnation point is ___________ |
| A. | 0 |
| B. | 0.5 |
| C. | 1 |
| D. | 2 |
| Answer» D. 2 | |
| 12. |
The dynamic pressure is given by ______ |
| A. | 0.5ρ*V<sup>2</sup> |
| B. | ρ* V<sup>2</sup> |
| C. | 3*V<sup>2</sup> |
| D. | 5ρ* V<sup>2</sup> |
| Answer» B. ‚âà√¨‚àö√ñ* V<sup>2</sup> | |
| 13. |
Stagnation pressure or the total pressure is the sum of _________ |
| A. | Kinetic and potential energy |
| B. | Static and dynamic pressure |
| C. | Kinetic energy +potential energy +gravity |
| D. | Cannot be determined |
| Answer» C. Kinetic energy +potential energy +gravity | |
| 14. |
The point where the fluid comes to rest is called as ___________ |
| A. | Rest point |
| B. | Stagnation point |
| C. | Viscous point |
| D. | Boundary layer point |
| Answer» C. Viscous point | |
| 15. |
Bernoulli’s equation is applicable only for _______$ |
| A. | Irrotational flow |
| B. | Viscous flow |
| C. | Inviscid, incompressible flow |
| D. | Compressible flow |
| Answer» D. Compressible flow | |
| 16. |
The aircraft fly based on which principle _________ |
| A. | Newton’s third law |
| B. | Conservation of mass |
| C. | Bernoulli’s principle |
| D. | Gravity |
| Answer» D. Gravity | |
| 17. |
The relation between pressure and velocity in an inviscid, incompressible flow is given by __________ |
| A. | p = constant |
| B. | p + 0.5ρ*V<sup>2</sup> = constant |
| C. | 0.5ρ*V<sup>2</sup> = 0 |
| D. | p + 0.5ρ*V<sup>2</sup> = 0 |
| Answer» C. 0.5‚âà√¨‚àö√ñ*V<sup>2</sup> = 0 | |