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Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Arkansas doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The AR CDL doubles triples test covers the following sections of the Arkansas CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this AR CDL practice test now to prepare for the actual test!
1. Regardless of its size, cargo should have at least ___ tie-downs.
2. "Bobtail" tractors are:
tractors with two trailers.
heavily loaded trailers.
tractors with a tank.
tractors without semitrailers.
3. You should NOT use the parking brakes if:
the brakes are too dry.
the brakes are very hot.
the brakes are cold.
All of the above.
4. When parking a trailer without spring brakes, it is very important for safety that you use wheel chocks. Why?
if you don't use wheel chocks, supply air will be sent to the service line instead of going to charge the trailer air tanks.
The air could leak out of the trailer air tank, releasing its emergency brakes.
You may not notice a major leak in the service line until you try to put the brakes on.
None of the above.
5. When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
50; 250
150; 250
50; 150
100; 150
6. When a combination vehicle goes around a corner:
the front and rear wheels follow a different path.
the driver must keep the rear of your vehicle far away from the curb.
the rear wheels of the trailer will never off-track.
All of the above.
7. If you must stop on a one-way or divided highway, place your warning devices:
100 feet, 200 feet, and 300 feet toward the approaching traffic.
50 feet, 100 feet, and 150 feet toward the approaching traffic.
10 feet, 50 feet, and 150 feet toward the approaching traffic.
10 feet, 100 feet, and 200 feet toward the approaching traffic.
8. A bridge formula permits:
less maximum axle weight for axles that are close together.
more maximum axle weight for axles that are closer together.
more maximum axle weight for axles that are far apart.
less maximum axle weight for axles that are far apart.
9. Before operating the vehicle, the driver should:
review the last vehicle inspection report.
should not review the vehicle inspection report and immediately try to find any vehicle defects.
rely on the last vehicle inspection and skip the pre-trip inspection.
None of the above.
10. When checking the engine compartment in a vehicle inspection, you should check all of the following except:
Coolant level in radiator
Engine oil level
Shock absorbers
Windshield washer fluid level
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Doubles Triples AR CDL Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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