Knowledge and Skills Test Preparation

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Build confidence with 10 original questions about Knowledge and Skills Test Preparation. 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 with a CDL is convicted of leaving the scene of an accident involving a CMV for the first time. What is the minimum period they will lose their CDL?

Three years

Six months

One year

Life

2 / 10

A driver plans to haul a liquid in a permanently mounted cargo tank rated at 150 gallons. Which endorsement must they obtain?

Double/Triples

Hazardous Materials

Tanker

Passenger

3 / 10

A driver is taking the CDL skills test. Which part must be completed first?

Hazardous materials test

Vehicle inspection

Basic vehicle control

On-road driving

4 / 10

A driver is applying for a CDL to operate a vehicle designed to carry 17 passengers, including the driver. Which class of CDL is required?

Class C

Class A

Class B

No CDL required

5 / 10

A driver is applying for a CDL and plans to operate a CMV only within their home state, never crossing state lines. What type of commerce is this?

Local commerce

International commerce

Interstate commerce

Intrastate commerce

6 / 10

A driver is applying for a hazardous materials endorsement. Besides passing the knowledge test, what must they complete?

A skills test in a hazardous materials vehicle

A federal Security Threat Assessment and fingerprinting

A tanker endorsement test

A vision screening only

7 / 10

A driver is stopped for a roadside inspection and has a detectable amount of alcohol under 0.04% BAC while operating a CMV. What is the consequence?

Lose CDL for one year

Receive a warning only

Placed out-of-service for 24 hours

No penalty unless over 0.04%

8 / 10

A driver is applying for a CDL and must prove U.S. citizenship. Which document is acceptable for this purpose?

A school transcript

A birth certificate with a raised seal issued by a U.S. government agency

A hospital souvenir birth certificate

A utility bill

9 / 10

A CDL applicant has a valid out-of-state driver’s license and wants to transfer it. What must they do with their old license?

Mail it to their previous DMV

Destroy it themselves

Surrender it to the new state

Keep it as a backup

10 / 10

A driver is applying for a CDL and does not have any utility bills in their name. They live with someone else. What is one way to provide proof of residency?

Submit a signed letter from their landlord only

Use their out-of-state license as proof

Show a pay stub from any job

Bring the person they live with and their ID, plus official mail with their own name and address

Your score is

The average score is 0%

About the Knowledge and Skills Test Preparation practice quiz

This practice quiz focuses on Knowledge and Skills Test Preparation, 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.

Explore CDL Tests to find more practice by subject.