285. Which of these will happen if a tire blows out at highway speeds?
Detailed Explanation
The correct answer is "A vibrating feeling.". This question tests wheel-end inspection, tire condition, and the correct response to defects or failure. For a differently worded version of this question, identify the hazard first and then choose the answer that preserves control, visibility, or legal compliance.
Correct Answer: A vibrating feeling.
Why This Matters on the CDL Test
Use this as part of your General Knowledge review. The real CDL knowledge test rewards drivers who understand the reason behind each rule, not only the answer letter, so read the explanation and then try a few related questions.
How to Remember It
Say the rule in your own words, then explain why the wrong answers are unsafe or incomplete. That habit makes similar General Knowledge questions easier when the exam changes the wording.
Answer Review
Choose "A vibrating feeling." because this answer matches the safe CDL action for tire inspection and failure response. On the knowledge test, the safest answer is usually the one that protects space, control, visibility, legal compliance, or inspection accuracy before the vehicle is put at risk.
Why the other answers are weaker
- A rapid drop in speed to below 20 mph."A rapid drop in speed to below 20 mph." does not best answer this tire inspection and failure response question. When you see a similar option on the CDL permit test, compare it against the exact safety rule and choose the answer that prevents the most immediate risk.
- A loud hissing sound."A loud hissing sound." does not best answer this tire inspection and failure response question. When you see a similar option on the CDL permit test, compare it against the exact safety rule and choose the answer that prevents the most immediate risk.
Test-Day Checklist
- Read the question once for the topic, then read it again for the exact CDL action being tested in General Knowledge.
- Eliminate answers that sound convenient but skip an inspection, warning sign, or safety step.
- Say the correct rule out loud before moving on so you can recognize it when the exam changes the wording.
Ready to practice for real?
Take our free, full-length General Knowledge practice test. Simulates the actual DMV exam with timed questions.
Start Practice TestRelated Questions
117. You are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blows out on your vehicle. What should you do first?
243. The distance you should look ahead while driving at highway speeds.
131. You must park on the side of a level, straight, four-lane, divided highway. Where should you place the three reflective triangles?
149. Your truck has a dual air system and one of the systems loses its pressure. What will happen?
246. You are driving a heavy vehicle and must exit a highway using an off-ramp that curves downhill. You should:
Keep Studying General Knowledge
Question pages help you review one rule at a time. To build test-day speed, move back into the full General Knowledge practice test and answer a mixed set without looking at the explanation first.
State CDL Practice Paths
After you understand this answer, use a state practice path to connect the federal CDL rule with the DMV test pages drivers search for most.