Reynolds number determines:

A Fluid temperature

B Whether flow is laminar or turbulent

C Fluid color

D Pipe material

✓ Correct Answer: Option B

Re = ρvD/μ. Re < 2300 typically laminar, Re > 4000 typically turbulent in pipe flow.

💡 Why is B) the correct answer?

The correct answer to the question "Reynolds number determines:" is Option B: Whether flow is laminar or turbulent.

The other options — A) Fluid temperature, C) Fluid color, D) Pipe material — are incorrect for this FE Exam Prep question. As explained above: Re = ρvD/μ. Re < 2300 typically laminar, Re > 4000 typically turbulent in pipe flow.

📚 About This FE Exam Prep Practice Question

This 2-level FE Exam Prep question from the Engineering Sciences topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free FE Exam Prep practice test or use flashcards for spaced repetition review.

Practice FE Exam Prep Quizzes → Browse All Questions Study Flashcards

Reynolds number determines:

✓ Correct Answer: Option B

📚 About This FE Exam Prep Practice Question

Related FE Exam Prep Questions