CA CDL General Knowledge Test ( Updated 2024 ) Complete Questions & Answers (Solved) 100% Correct
- When do strong winds affect driving the most?
Answer: When exiting tunnels
2. For your safety, when you place your reflective triangles you should:
Answer: Hold the triangles with the reflective side between you and oncoming traffic
- Which of these statements is not true about backing a heavy vehicle?
Answer: You should back slowly until you slightly bump into the dock
- The best drivers are those who watch and prepare for hazards. This is called being:
Answer: Defensive
- When you drive in the mountains, you will have to use lower gears to drive safely down
grades. Which of these does not affect your choice of gears?
Answer: Tire tread type
6. CDL medical certificates must be renewed every:
Answer: Two years
- Which of these is not a proper use of vehicle lights?
Answer: Flashing your brake lights to stop someone tailgating
- You wish to turn right from a two-lane, two-way street into another. Your vehicle is so long
that you must swing wide to complete the turn. How should you make the turn?
Answer: Swing wide in the opposite lane of the lane you are attempting to enter
- Which of the following may be a sign of tire failure?
Answer: Wheels fishtailing
10. Controlled braking:
Answer: Is used to keep a vehicle in a straight line when braking
11. You should try to park your vehicle so:
Answer: You can pull forward when you leave
- How far should a driver look ahead of the vehicle while driving?
Answer: 12-15 seconds
- How many missing or broken leaves in any leaf spring will cause a commercial vehicle to
be placed out of service? 1 / 2
Answer: One-fourth of the total number
- What should you do before driving in the mountains?
Answer: Know the escape ramp locations on your route
- You are checking your brakes and suspension system during a pre-trip inspection. Which
of these statements is true?
Answer: Brake shoes should not have oil, grease, or brake fluid on them
- When you must stop on a one-way or divided highway, you should place your reflective
triangles at which of the following locations?
Answer: 10 feet, 100 feet, and 200 feet toward approaching traffic
- Whenever you double your speed, it will take about how many times as much distance to
stop?
Answer: Four
- What distance should you look ahead of your vehicle while driving at highway speeds?
Answer: 1/4 mile
- Which of these statements is not true?
Answer: A drinker can control how fast his or her body absorbs and gets rid of alcohol
- Which of these statements is true about transported hazardous materials?-
Answer: Hazardous materials can be a risk to health and safety
- Which of these statements is true about shipping materials?
Answer: A four-inch, diamond-shaped, hazardous materials label must be on the container
- If you do not have a CB radio, what is the first thing you should do at an accident scene?
Answer: Protect the area
- What is the first thing you should do if your brakes fail while driving downhill?
Answer: Get off the road as soon as possible
24. One reason that dry bulk tanks require special care is:
Answer: The load can shift
- To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph
on the shoulder. How should you move back onto the pavement?Answer: If the shoulder is clear, stay on it until your vehicle comes to a stop. Then move back onto the pavement when it is safe
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