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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. Drivers who must stop on a road or the shoulder of any road must put out their emergency warning devices within:
20 minutes
10 minutes
5 minutes
2. When transporting cargo, you are NOT responsible for:
inspecting your cargo.
the price of the cargo.
recognizing poorly balanced weight.
3. What is true about tire chains?
You should watch the official video tutorial by the manifacturer before putting them on.
You must carry the at least 6 chains and extra cross-links.
You should learn how to put the chains on before you need to do it in snow.
4. Class A:B:C fire extinguishers are designed to work on:
electrical fires.
burning liquids.
All of the above.
5. If you realize you are going to be later to your destination than you expected, you should:
do your best to avoid the delay.
deal with it and accept the delay.
speed up.
6. Hydroplaning is most likely to occur:
right after it starts to rain.
when it's been raining for over an hour.
right before it starts to rain.
7. You should reject a vehicle until which of the following gets rectified?
Faulty headlights
Faulty flashers
All of the above.
8. Using a helper when backing up is:
9. In a dual air brake system, if one air system is very low on pressure:
you should drive and brake as you always have.
either the front or rear brakes will not be operating fully.
you should pump the brakes to restore pressure.
10. Whenever you are about to pass a pedestrian, bicyclist, or vehicle, you should assume that they:
will move out of your lane of traffic.
could suddenly move in front of you.
can see you.
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RI CDL Practice Test

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