Preview Questions Aerodynamics Engineer | Role Specific Skill

Question 1: What is the purpose of using flow visualization techniques like tufts or smoke during aerodynamic testing?

Which action should you take?

Choose only one option

To measure velocity

To calculate lift and drag forces

To identify flow patterns and separation zones

To analyze temperature distribution

Question 2: What effect does the aspect ratio of a vehicle's front grille have on its drag coefficient?

Which action should you take?

Choose only one option

A larger aspect ratio reduces drag

A larger aspect ratio increases drag

A smaller aspect ratio has no effect on drag

A smaller aspect ratio increases drag

Question 3: How does the Reynolds number affect the aerodynamic drag of a vehicle at high speeds?

Which action should you take?

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It increases the drag proportionally

It increases drag due to laminar to turbulent transition

It has no effect on the drag at high speeds

It decreases the drag by reducing turbulence

Question 4: Why is achieving laminar flow around the vehicle body advantageous for performance?

Which action should you take?

Choose only one option

Enhances yaw stability

Reduces drag

Minimizes lift

Increases drag

Question 5: In automotive CFD, what is the primary advantage of mesh refinement in regions of high velocity gradients?

Which action should you take?

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It speeds up the computational process

It increases turbulence intensity in simulations

It improves the resolution of the boundary layer

It allows for more accurate predictions of drag forces

Question 6: How does the introduction of active cooling systems (e.g., active shutters) in a vehicle affect aerodynamic performance?

Which action should you take?

Choose only one option

Increases drag but improves cooling efficiency

Increases drag to maintain engine temperature

Reduces drag by adjusting airflow around the engine

Has no impact on drag but enhances vehicle handling