STAR Commercial Refrigeration Mastery Exam Prep
Free practice questions

Free STAR Practice Questions

1 exam-style questions with answers and explanations. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.

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The STAR exam has 194 questions and runs 2 hours 30 minutes.

Question 1

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Correct answer: A - A

What's on the STAR exam

The STAR Commercial Refrigeration Mastery (STAR) exam is organized into 9 knowledge domains. These free practice questions are drawn from across them so you can see where you're strong and where to study:

  1. Refrigeration Fundamentals
  2. Refrigeration System Operation
  3. Basic Electricity
  4. Controls
  5. Rack Systems
  6. Self-Contained Units
  7. Ice Machines
  8. Auxiliary Systems
  9. Business and Customer Relations

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