CDL Practice Test (General Knowledge) Questions and Answers 100% Pass
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Course
CDL Practice
Institution
CDL Practice
CDL Practice Test (General Knowledge)
Questions and Answers 100% Pass
What is the main reason for conducting a vehicle inspection before driving?
The main reason is to ensure the vehicle is safe to operate by identifying any potential
defects or safety hazards.
How can you prevent drowsy ...
CDL Practice Test (General Knowledge)
Questions and Answers 100% Pass
What is the main reason for conducting a vehicle inspection before driving?
✔✔ The main reason is to ensure the vehicle is safe to operate by identifying any potential
defects or safety hazards.
How can you prevent drowsy driving on long trips?
✔✔ To prevent drowsy driving, take regular breaks, stay hydrated, and avoid driving without
proper rest.
What should you do when approaching a work zone?
✔✔ When approaching a work zone, slow down, stay alert, and follow posted speed limits and
directions from flaggers.
Why is it important to know the height of your vehicle?
✔✔ Knowing the height of your vehicle is crucial to avoid hitting low bridges or overpasses that
may not provide enough clearance.
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,What is the purpose of downshifting when going downhill?
✔✔ Downshifting helps control speed by using engine braking, reducing the need to rely on the
service brakes and preventing brake overheating.
How does carrying an unbalanced load affect your driving?
✔✔ Carrying an unbalanced load can make handling more difficult, increase the risk of rollover,
and cause uneven braking.
What is the “two-second rule” for following distance?
✔✔ The "two-second rule" helps maintain a safe following distance by ensuring there’s enough
time to react to the vehicle in front.
What should you do if you encounter an aggressive driver?
✔✔ If you encounter an aggressive driver, avoid engaging with them, stay calm, and increase
your following distance to stay safe.
Why should you avoid using your high beams in fog?
✔✔ High beams in fog can reflect off the moisture in the air, making visibility worse instead of
better.
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, What is the main purpose of a truck’s suspension system?
✔✔ The suspension system helps maintain control of the vehicle by absorbing shocks from the
road and keeping the tires in contact with the surface.
Why is it important to perform regular tire inspections?
✔✔ Regular tire inspections help prevent blowouts, ensure proper traction, and improve fuel
efficiency by maintaining correct tire pressure.
What should you do if your vehicle begins to skid?
✔✔ If your vehicle begins to skid, take your foot off the accelerator, steer in the direction of the
skid, and avoid slamming the brakes.
How should you approach a steep downgrade in a commercial vehicle?
✔✔ When approaching a steep downgrade, reduce your speed, downshift to a lower gear, and
use engine braking to control your descent.
What is the purpose of the emergency brake system in a commercial vehicle?
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