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

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

Heavy snow falling

Bright sunlight reflecting off the road

Steam rising from the pavement

A lack of spray from other vehicles

2 / 10

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

They increase stopping distance

They can cause the driving wheels to skid

They reduce visibility

They use more fuel

3 / 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

4 / 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

6/32 inch in every major groove

4/32 inch in every major groove

3/32 inch in every major groove

5 / 10

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

To avoid electrical shorts

To reduce battery drain

To ensure they are visible and working properly

To prevent overheating

6 / 10

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

Use your defroster only

Continue driving slowly

Stop safely and fix the problem

Turn on your hazard lights and keep going

7 / 10

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

Drive in the tracks of other vehicles

Increase your speed to get through quickly

Stop at the first safe place

Use the engine brake for better control

8 / 10

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

Speed up to get through quickly

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

Turn off your brakes until out of the water

Shift to neutral and coast through

9 / 10

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

Look for tire spray

Check the temperature gauge

Listen for unusual noises

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

10 / 10

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

Brake hard while in the curve

Slow to a safe speed before entering the curve

Accelerate through the curve

Shift to a higher gear in the curve

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