CDL Weather Driving Practice Questions
Weather Driving makes up 2 of every 50 questions on a Tigertest CDL practice test. Here are 10 of the 40 questions on it, each with the answer and the reason.
Updated by the Tigertest team. Covers the CDL general knowledge exam. 80% to pass on the real test.
1. When driving in heavy rain, you should adjust your following distance by?
- A.Maintaining normal following distance
- B.Doubling your normal following distance
- C.Adding only one second to following distance
- D.Reducing following distance to see better
Answer: B. In heavy rain, stopping distances increase significantly due to reduced traction, requiring at least double the normal following distance.
2. What is the most dangerous time to drive when it's raining?
- A.After rain has been falling for several hours
- B.Just before the rain stops
- C.During the heaviest downpour
- D.During the first few minutes of rainfall
Answer: D. The first few minutes of rainfall mix with oil and dirt on the road surface, creating the most slippery conditions.
3. Hydroplaning is most likely to occur when?
- A.Water depth exceeds tire tread depth
- B.Driving through puddles slowly
- C.Tires are properly inflated
- D.Road surface is completely dry
Answer: A. Hydroplaning occurs when water depth exceeds the tire's ability to channel water away, causing loss of contact with the road surface.
4. If your vehicle starts to hydroplane, you should?
- A.Accelerate to get through the water quickly
- B.Apply brakes firmly to regain control
- C.Ease off the accelerator and avoid sudden movements
- D.Turn the steering wheel sharply in the opposite direction
Answer: C. When hydroplaning, gentle inputs are key - ease off the accelerator and maintain straight steering until traction returns.
5. On icy roads, what is the safest way to stop?
- A.Apply brakes hard and quickly
- B.Use engine braking only
- C.Apply brakes gently and gradually
- D.Pump the brakes rapidly with full force
Answer: C. Gentle, gradual brake application prevents wheel lockup on ice and maintains steering control while stopping.
6. Which type of ice is most dangerous for commercial vehicles?
- A.Black ice that's nearly invisible
- B.Thick ice that you can see clearly
- C.Ice mixed with loose snow on top
- D.Melting ice with water on top
Answer: A. Black ice is extremely dangerous because it's nearly invisible, giving drivers no warning of hazardous conditions.
7. When driving in snow, you should?
- A.Spin the tires to get better traction
- B.Turn off traction control systems
- C.Use cruise control to maintain steady speed
- D.Start gently and accelerate gradually
Answer: D. Gentle starts and gradual acceleration prevent wheel spin and maintain traction in snow conditions.
8. In foggy conditions with visibility under 100 feet, you should?
- A.Use hazard lights continuously while driving through fog conditions
- B.Pull off the road and wait for conditions to improve
- C.Use high beam headlights for maximum visibility and light penetration
- D.Follow the vehicle ahead more closely to maintain visual contact
Answer: B. When visibility drops below 100 feet, it's safest to pull off the road completely and wait for conditions to improve.
9. When driving in fog, which lights should you use?
- A.High beam headlights
- B.Low beam headlights
- C.Fog lights only
- D.No lights to avoid glare
Answer: B. Low beam headlights provide the best visibility in fog without creating dangerous glare that high beams cause.
10. High winds are most dangerous for commercial vehicles when?
- A.Driving at very low speeds under twenty-five miles per hour
- B.Driving on straight roads with no curves or elevation changes
- C.Driving downhill on steep grades with loaded trailers
- D.Entering or leaving areas with wind protection
Answer: D. Sudden wind gusts when entering or leaving wind-protected areas can catch drivers off guard and cause loss of control.
Practice all 40 weather driving questions, and the rest of the 600-question bank, in the free CDL training sets. Questions you miss come back until you have mastered them.
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