Snow and Ice - ONLINE CDL SCHOOL

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Snow and Ice

Build confidence with 10 original questions about Snow and Ice. 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

How should you adjust your driving when approaching a curve on a slippery road?

Slow to a safe speed before entering the curve

Brake hard while in the curve

Shift to a higher gear in the curve

Accelerate through the curve

2 / 10

What is an indication that ice may have formed on the road, especially on bridges or overpasses?

Heavy snow falling

A lack of spray from other vehicles

Steam rising from the pavement

Bright sunlight reflecting off the road

3 / 10

What should you do if you must drive through deep puddles or standing water in winter?

Slow down, use a low gear, and keep light pressure on the brakes

Shift to neutral and coast through

Speed up to get through quickly

Turn off your brakes until out of the water

4 / 10

Why should you avoid using the engine brake or speed retarder on slippery winter roads?

They reduce visibility

They increase stopping distance

They can cause the driving wheels to skid

They use more fuel

5 / 10

How can you check for ice buildup on your vehicle when driving in winter?

Feel the front of the mirror, mirror support, or antenna

Look for tire spray

Listen for unusual noises

Check the temperature gauge

6 / 10

Why should you check and clean your lights and reflectors frequently during bad winter weather?

To ensure they are visible and working properly

To prevent overheating

To reduce battery drain

To avoid electrical shorts

7 / 10

What should you do before starting a trip in winter weather regarding your vehicle’s windows and mirrors?

Spray them with water

Leave them as they are

Cover them with a towel

Remove any ice, snow, or frost from all windows and mirrors

8 / 10

What is the minimum tread depth required on the front tires of a commercial vehicle for safe winter driving?

2/32 inch in every major groove

3/32 inch in every major groove

6/32 inch in every major groove

4/32 inch in every major groove

9 / 10

What should you do if your windshield wipers fail during winter driving?

Continue driving slowly

Stop safely and fix the problem

Turn on your hazard lights and keep going

Use your defroster only

10 / 10

What is the safest action if you encounter extremely slippery conditions while driving in winter?

Stop at the first safe place

Use the engine brake for better control

Drive in the tracks of other vehicles

Increase your speed to get through quickly

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About the Snow and Ice practice quiz

This practice quiz focuses on Snow and Ice, listed under CDL Practice — General Knowledge. 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.