Passing the written portion of the CDL Test is not very difficult if you have the proper training materials. Below you will find links to a number of different free online CDL practice tests, along with other training materials to help you prepare for truck driving school or company-sponsored CDL training. To help you prepare for your CDL training, we also have:
1. What effects can wet brakes cause?
A. Brakes can be weak or grab.
B. Brakes to work better.
C. You foot can get tired.
2. How can you avoid wet brake problems?
A. Speed up, shift to a higher gear.
B. Slow down, shift to a low gear, gently put on the brakes.
C. Apply the brakes harder and faster.
3. You should let air out of hot tires so the pressure goes back to normal.
A. True
B. False
4. You can safely remove the radiator cap as long as the engine isn't overheated.
A. True
B. False
5. What factors determine your selection of "safe" speed when going down a long steep downgrade?
A. Size of vehicle, traffic conditions, curves in the road.
B. Conditions of brakes, radio bulletins and alertness of driver.
C. Total weight of the vehicle, length of the grade, steepness, road conditions, and weather.
6. Why should you be in the proper gear before starting down a hill?
A. Because gravity can cause the speed of your vehicle to increase.
B. Because you don't want to shift going down a hill.
C. Because the clutch works better up a hill.
7. Describe the proper braking technique when going down a long steep downgrade.
A. Apply the brake just hard enough to feel a definite slowdown.
B. When your speed has been reduced to around 5 mph below your "safe" speed, release the brake.
C. When your speed has increased to your "safe" speed. repeat A and B
D. All of the above.
8. What is a hazard?
A. Any road condition or other road user that is a possible danger.
B. A flashing amber light.
C. A small animal.
9. Why make emergency plans when you see a hazard?
A. To have something to do while driving
B. In order to protect yourself and others.
C. To avoid getting a ticket.
10. Stopping is not always the safest thing to do in an emergency?
A. True
B. False
11. What are some advantages of going right instead of left around an obstacle?
A. You can avoid a head on collision.
B. Taking the shoulder may be best.
C. Someone may be passing to the left.
D. All of the above.
12. What is an "escape ramp?"
A. Ramps that are located a few miles from the top of a downgrade to help you stop.
B. A quick way to get out of town.
C. Ramps to get on and off an interstate highway fast.
13. If a tire blows out you should put the brake on hard to stop quickly.
A. True
B. False
14. What are some things to do at an accident scene to prevent another accident?
A. Try to get your vehicle to the side of the road.
B. If you're stopping to help. park away from the accident.
C. Put on your flashers and set out reflector triangles.
D. All of the above.
15. Name two causes of tire fires:
A. Tight turns and gravel roads
B. Under inflated tires and duals that touch
C. Driver smoking and following too close
You can return to the CDL Practice Test Main Page or choose from the following:
For more help preparing for your CDL exam we highly recommend:
- Our CDL Manuals - free download - manuals for each state
- Our CDL Practice Tests - free, online tests for all endorsements
- Our Pre-Trip Inspection Study Guide - this will really help you prepare!
- Our Pre-Trip Inspection Flash Cards which are really hard and incredibly helpful
- Our Ask A Driver Page or article category for passing the CDL exam which has some interesting insights
BigRigDriving is for those interested in research, debates, and discussion of topics within the trucking industry
TruckingTruth is dedicated to those considering becoming a truck driver or are new to the trucking industry
Becoming A Truck Driver: The Raw Truth About Truck Driving
- By Brett AquilaIf you're considering becoming a truck driver, this is the book for you!
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