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The CDL general knowledge test is required to be taken by all CDL applicants. The Rhode Island CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Rhode Island CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual RI general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. Shaded parts of the road:
usually don't freeze.
will remain icy and slippery after other areas have melted.
will melt before open areas.
2. If you perform the skills test in a vehicle that is not equipped with air brakes:
you will be required to take the tank vehicle test.
you will be required to operate vehicles with air brakes.
you will be restricted from operating vehicles with air brakes.
3. If your vehicle catches fire while you are driving, you should:
park in an open area.
immediately open the van or trailer doors.
pull into a service station.
4. When possible, you should park:
on the shoulder.
so you will be able to pull forward when you leave.
so you will have to back up when you leave.
5. When backing, as soon as you see the trailer getting off the proper path, you should:
turn the top of the steering wheel in the opposite direction of the drift.
turn the top of the steering wheel in the direction of the drift.
to keep a firm grip on the steering wheel and continue backing.
6. When meeting an oncoming vehicle at night, if the other driver does not put their low beams on, you should:
look slightly to the right to avoid looking directly at the lights of the oncoming vehicle.
slow down and look straight ahead in your lane.
"get back at the other driver" by putting your own high beams on.
7. In mountain driving, to select a safe speed you should:
follow the vehicle in front of you.
select a speed that's not too fast for the weight of your vehicle and cargo, the lenght and steepness of the grade, and road and weather conditions.
go 5 mph slower than the vehicle ahead.
8. To use the controlled braking method in an emergency, you should:
apply the brakes when the wheels lock up.
apply your brakes all the way, and release the brakes when the wheels lock up.
apply the brakes as hard as you can without locking the wheels.
9. Which of the following statements about hydroplaning is true?
Hydroplaning is more likely if tire tread is worn.
Hydroplaning usually occurs at speeds lower than 30 mph.
Hydroplaning is less likely if tire pressure is low.
10. When driving on slippery roads, you should NOT:
use the speed retarder.
brake any harder than necessary.
All of the above.
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RI CDL Knowledge Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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