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IA CDL Air Brakes Practice Test 2 2025

Part of mandatory Entry-Level Driver Training Course Based on 2025 IA commercial driver's license manualAvailable in EN, ES
30questions
6mistakes allowed
80%passing score

This second IA Air Brakes practice test contains another set of 30 questions based on the official CDL manual. Just like the first test, this one is also designed to prepare you for the Air Brakes portion of your 2025 Commercial Driver’s License exam. There are several answer options, but only one of them is correct. Every time you answer a question, you’ll get immediate feedback with a detailed explanation, so you won’t need to wait until the end of the test to know the correct answers.

5 out of 5 • 1 votes.

Perfect for

  • First-time IA CDL and CLP applicants
  • CDL holders adding endorsements
  • IA CDL renewal applicants
IA commercial driver's license
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What to expect on the actual exam

How many questions25
How many correct answers to pass20
Passing score80%
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