Preview Questions Aerodynamics Engineer | Role Specific Skill

Question 1: What is the role of a Kamm tail design in reducing aerodynamic drag?

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Minimizes rolling resistance

Reduces lift

Reduces separation in the wake region

Improves underbody airflow

Question 2: What is the impact of Reynolds number on vehicle performance during high-speed testing?

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It has no significant effect in automotive applications

It influences the engine's thermal efficiency

It affects the transition between laminar and turbulent flow, influencing drag

It only impacts tire performance, not aerodynamics

Question 3: Why is smoke visualization used in wind tunnels during aerodynamic testing?

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To analyze airflow patterns

To identify vehicle noise sources

To detect mechanical vibrations

To measure temperature

Question 4: How do vortex generators installed on a vehicle affect its aerodynamic performance?

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They improve airflow separation and reduce drag

They reduce lift without affecting drag

They increase drag but reduce lift

They reduce drag and improve stability

Question 5: How does pressure tapping in wind tunnel testing help in understanding aerodynamic performance?

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It measures turbulence intensity around the vehicle

It measures the velocity profile at different points

It reduces the impact of airflow separation

It measures pressure distributions around the vehicle

Question 6: Which of the following is a primary advantage of using Large Eddy Simulation (LES) over Reynolds Averaged Navier-Stokes (RANS) for automotive aerodynamics?

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LES is ideal for modeling high Reynolds number flows

LES resolves larger turbulence scales directly

LES is computationally more efficient

LES works better for steady-state simulations