FREE AB Commercial Driving Licence Diagnostic Test
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Based on 2024 AB commercial driver's licence manual
- Triple-checked for accuracy
- Updated for May 2024
About this test
What to expect on the actual AB exam
questions
correct answers to pass
passing score
List of questions (classic view)
- If the driver defers some off-duty time to the following day, his or her total driving time in two days must not exceed
- To perform the pre-trip inspection of the air brakes, which of the following should you do first?
- The driver must carry copies of the daily logs for the past
- If the weigh station is open, you should
- If you feel drowsy, sleepy or fatigued, what should you do?
- How can you improve your vehicle's fuel economy while you're behind the wheel?
- Provincial/Territorial authorities recommend that every commercial vehicle carry
- A professional driver is expected to demonstrate
- When are you required to stop for a stopped school bus with red lights flashing?
- If you're approaching a railway crossing at which a signal device or flagperson is warning of an approaching train, you must
- What does this sign mean?
- What does this road sign mean?
- What does this road sign mean?
- What does this road sign mean?
- What does this sign mean?
- What does this sign mean?
- What does this road sign mean?
- What does this road sign mean?
- What does this sign mean?
- What does this sign mean?
- What does this sign mean?
- What does a sign with a red circle and a diagonal red bar mean?
- If a red X signal is displayed over your lane, you must
- What does this road sign mean?
- What does this road sign mean?