MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Aerodynamics engineers obtain the lift and pressure drag by integrating the ___________ distribution over a surface. |
| A. | Velocity |
| B. | Pressure |
| C. | Temperature |
| D. | Viscosity |
| Answer» C. Temperature | |
| 2. |
The knowledge of aerodynamic loads on an aircraft is needed for ___________ engineers. |
| A. | Aerodynamic |
| B. | Thermal |
| C. | Structural |
| D. | Avionics |
| Answer» D. Avionics | |
| 3. |
The knowledge of pressure distribution is required for ____________ engineers. |
| A. | Aerodynamic |
| B. | Thermal |
| C. | Structural |
| D. | Avionics |
| Answer» B. Thermal | |
| 4. |
Which of these problems does not require three-dimensional analysis? |
| A. | Internal flow in SCRAM jet engines |
| B. | Flow over an aircraft wing |
| C. | Flow past gas turbine compressors |
| D. | Flow over airfoils |
| Answer» E. | |
| 5. |
In the early days, CFD simulations were limited to two-dimensional analyses. Three-dimensional analyses could not be performed because of _________ |
| A. | Complex mathematical models were not resolved |
| B. | Governing equations were not developed for three-dimensions |
| C. | Approximations for three-dimensions did not exist |
| D. | The type of computers and algorithms that existed |
| Answer» E. | |
| 6. |
___________ technique is used in a wind tunnel to find whether the flow is laminar or turbulent. |
| A. | Pressure sensitive paint |
| B. | Force measurement |
| C. | Flow visualization |
| D. | Quantitative |
| Answer» D. Quantitative | |
| 7. |
CFD carries out ___________ experiments. |
| A. | Observational |
| B. | Analytical |
| C. | Field |
| D. | Numerical |
| Answer» E. | |
| 8. |
CFD can be used to ___________ the experimental results. |
| A. | Improve |
| B. | Replace |
| C. | Interpret |
| D. | Convert |
| Answer» D. Convert | |
| 9. |
Which of these characteristics does not apply for a CFD tool? |
| A. | Unwieldy |
| B. | Easy to carry around |
| C. | Can be remotely accessed |
| D. | Transportable |
| Answer» B. Easy to carry around | |
| 10. |
Computational fluid dynamic results are _________ wind tunnel results. |
| A. | Better than |
| B. | Analogous to |
| C. | More reliable than |
| D. | Energy consuming when compared to |
| Answer» C. More reliable than | |