Commercial Driver's License Quiz

What does CDL stand for?

• Commercial Driver's License

• Certified Driver's License

• Comprehensive Driver's License

• Central Driver's License

Which of the following is a required document to carry while operating a commercial vehicle?

• Proof of insurance

• Birth certificate

• Passport

• Voter registration card

What is the primary purpose of a vehicle's braking system?

• To enhance acceleration

• To stop the vehicle safely

• To increase fuel efficiency

• To improve handling

What is the minimum age to obtain a CDL in most states?

• 16

• 18

• 21

• 25

What is the purpose of a pre-trip inspection?

• To check fuel levels

• To ensure the vehicle is safe to operate

• To assess driving skills

• To clean the vehicle

Which of the following is a common hazard when driving a large truck?

• Blind spots

• High fuel efficiency

• Short stopping distance

• Quick acceleration

When is it necessary to use a seatbelt?

What is the correct procedure when approaching a railroad crossing?

• Speed up to cross quickly

• Slow down, look, and listen

• Ignore the warning signals

• Stop only if you see a train

What should you do if you experience a tire blowout?

• Brake hard

• Hold the steering wheel firmly and steer straight

• Accelerate

• Immediately pull off the road

What does a yellow diamond-shaped sign indicate?

• Stop

• Yield

• Warning

• Regulatory