Commercial Driver's License — Class A General Knowledge

CDL Class A exam at a glance

CDL Class A section breakdown

• General Knowledge (50 Q)
  50 questions · 60 minutes
• Air Brakes Endorsement (25 Q)
  25 questions · 30 minutes

Sample question

Start the full test → to attempt 75 questions across 2 sections.

Frequently asked questions

What is the CDL Class A exam pattern?

Commercial Driver's License — Class A General Knowledge contains 75 questions across 2 sections: General Knowledge (50 Q), Air Brakes Endorsement (25 Q). Total duration is 90 minutes.

Does CDL Class A have negative marking?

No — CDL Class A has no negative marking. Each correct answer is worth 1 mark.

How is CDL Class A scored?

Scaled score range: 100 to 1000. CDL Class A (pass 80%).

How can I practise CDL Class A for free?

Wrexa Edge offers free full-length CDL Class A mock tests with instant scoring, detailed explanations, and 50 distinct variants. Sign up for free at Wrexa Edge and start practising in under a minute.

What is the difficulty level of CDL Class A?

CDL Class A is rated Foundation difficulty on Wrexa Edge. US Commercial Driver's License Class A · 50-question knowledge test · pass 80% · pre-trip inspection, air brakes, combinations.

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