CDL DOUBLES TRIPLES PRACTICE TEST ARKANSAS
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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!
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1.
If you are carrying a heavy load that is slowing you down, you should:
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drive in the left lane.
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drive on the shoulder.
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drive in the right lane.
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keep the vehicle in third gear.
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2.
A red triangle with an orange center means:
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Liquid tanker
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Law enforcement vehicle
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The vehicle is hauling hazardous materials
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Slow-moving vehicle
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3.
On any upgrade, _________ – the more you will have to use lower gears to climb hills or mountains.
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the steeper the grade
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the heavier the load
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the longer the grade
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All of the above.
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4.
If a vehicle is equipped with ABS, when you start the engine:
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the spring brakes will come on.
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the wheels will lock up.
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the trailer emergency brakes will come on.
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the ABS indicator light on the dash should come on and then turn off.
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5.
If your brakes fail on a steep mountain downgrade, you should:
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go right if the shoulder is clear.
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leave the road immediately.
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use an escape ramp if it is available.
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change lanes after making sure there is enough room.
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6.
Doubles and triples:
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can't be turned suddenly.
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can be turned suddently due to the low center of gravity.
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can be stopped suddenly due to their weight.
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have a lower chance of skidding.
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7.
Which of the following statements about retarders is NOT correct?
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Retarders help you avoid skids.
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Retarders help slow a vehicle, reducing the need for using brakes.
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You should turn the retarder off whenever the road is wet, icy, or snow covered.
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Retarders reduce reduce brake wear.
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8.
Who is responsible for inspecting the cargo?
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The person who loaded and secured the cargo
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The motor carrier
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The driver
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The shipper
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9.
To know how much space you should keep in front of you when driving at speeds below 40 mph, one good rule says you need at least ______ for each ______ of vehicle length.
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1 second; 10 feet
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2 seconds; 10 feet
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3 seconds; 50 feet
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1 second; 5 feet
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10.
What is the minimum tread depth for tires other than front tires?
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4/16 inch
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8/32 inch
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4/32 inch
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2/32 inch
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AR CDL Doubles Triples Test
| Number of questions: | 20 |
| Correct answers to pass: | 16 |
| Passing score: | 80% |
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