You need to take this test if want to operate a vehicle has air brake 

You need to take this test if want to operate a combination vehicle like truck trailer

You need to take this test to get your Commercial Driver License (CDL).

• Code : It's not endorsement 
• Number of questions : 50 questions
• Pass rate : 80%
• Pass Correct Answers : 40 Correct answer
• How need It : All CDL holders
• How to pass the exam successfully: Practice well on the quiz below or read the CDL manual 

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