Class A CDL Knowledge Review - ONLINE CDL SCHOOL

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Class A CDL Knowledge Review

Build confidence with 10 original questions about Class A CDL Knowledge Review. Review your answers and explanations after finishing.

Supplemental study practice. This is not a government licensing exam or ELDT certification, and does not replace hands-on training. Follow your state’s current handbook.

1 / 10

A driver is cited for following another vehicle too closely while operating a CMV. What type of violation is this considered?

Equipment violation

Minor infraction

Serious traffic violation

Logbook violation

2 / 10

A driver is applying for a hazardous materials endorsement for the first time. What must they do before being issued the endorsement?

Provide proof of insurance

Submit fingerprints and pass a background check

Complete a road skills test

Take only a vision test

3 / 10

You are driving a truck with a gross combination weight rating (GCWR) of 27,000 pounds, and the trailer you are towing has a gross vehicle weight rating (GVWR) of 11,000 pounds. What class of CDL do you need?

Class C

No CDL required

Class B

Class A

4 / 10

A driver is stopped at a railroad crossing and does not have enough space to completely clear the tracks. What must the driver do?

Wait until there is enough space to clear the crossing

Proceed slowly and stop on the tracks

Sound the horn and cross quickly

Back up and turn around

5 / 10

You are operating a commercial vehicle and have been on duty for 13 hours after 10 consecutive hours off. How many more hours can you legally drive if you are carrying property?

1 hour

2 hours

3 hours

No more hours

6 / 10

A driver is stopped for a roadside inspection and is asked for proof of a current Medical Examiner’s Certificate. The driver does not have it. What could happen to their CDL status?

Their CDL may be downgraded to non-commercial

They will only receive a warning

They can continue driving without penalty

They must pay a fuel tax

7 / 10

You are applying for a CDL and live with a friend. You have no utility bills in your name. What must you do to prove residency?

Bring your friend with their ID and provide official mail with your name and address

Show your out-of-state driver's license

No proof is needed if you live with someone

Only provide your friend's utility bill

8 / 10

A driver with a Class B CDL wants to tow a trailer with a GVWR of 12,000 pounds. The truck has a GVWR of 26,500 pounds. What must the driver do?

Upgrade to a Class A CDL

Apply for a hazardous materials endorsement

Add a passenger endorsement

No action needed, Class B is sufficient

9 / 10

You are a CDL holder and are convicted of reckless driving in your personal vehicle. What could happen to your CDL?

There is no impact on your CDL

You must retake the written test

You will only pay a fine

You may lose your CDL driving privilege

10 / 10

You are applying for a CDL and plan to drive a commercial vehicle across state lines. What is the minimum age required?

16 years old

21 years old

18 years old

20 years old

Your score is

The average score is 0%

About the Class A CDL Knowledge Review practice quiz

This practice quiz focuses on Class A CDL Knowledge Review, listed under CDL Practice — CDL Licensing and ELDT. Use it to check what you understand, spot topics to revisit, and connect the material to safe, informed decisions on the road.

Before you begin

Keep your current CDL manual or course notes nearby. Read each prompt carefully and think through why an answer fits, especially when a question describes a vehicle, road, or workplace situation. Licensing rules and procedures can vary, so confirm requirements with current official materials for your state.

After you finish

Review any explanations shown with your results. Note unfamiliar terms or missed concepts, then revisit your manual or course notes before trying again. Use your score to guide study; understanding why an answer is correct matters more than the number alone.

Study note: These quizzes are independent study practice. They are not state licensing exams, official government materials, or ELDT certification, and they do not replace required training.

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