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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. When driving at night, you should use ________ when you can.
emergency flashers
indicator lights
high beams
low beams
2. To warn drivers behind you when you see you'll need to slow down, you should:
flash the brake lights.
sound your horn.
turn off your lights.
use your headlights.
3. To prevent a rollover, the driver should:
make quick lane changes if possible.
drive slowly around corners, on ramps, and off ramps.
drive on the shoulder if possible.
pay extra attention to the coolant level.
4. When inspecting the coupling, how much space should there be between the upper and the lower fifth-wheel?
½ inch
It depends on the load
It depends on the trailer
5. If there is a cargo fire in a van or box trailer, you should:
open the doors, especially if your cargo contains hazardous materials.
keep the doors shut.
keep driving until you reach help.
enlist the help of bystanders.
6. For safe handling, the heaviest trailer should be:
the second trailer in a triple.
the last trailer.
behind the tractor.
None of the above.
7. To prevent rollover, you should do all of the following except:
avoid quick lane changes.
drive slowly around turns.
put the lightest parts of the cargo under the heaviest parts.
keep the load centered on your rig.
8. When your vehicle starts to skid, you must take action to:
use controlled braking.
use stab braking.
restore traction to the tires.
accelerate and countersteer.
9. Texting is:
about as safe as adjusting the radio.
the most dangerous distraction.
safer than talking on a cell phone.
safer than  engaging in conversation with a passenger.
10. If you become drowsy while driving, you should:
take a break.
open the windows to get some fresh air.
try to fight it.
drink plenty of coffee.
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AR Doubles Triples CDL Test

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