AK CDL DOUBLES TRIPLES PRACTICE TEST
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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 Alaska doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The AK CDL doubles triples test covers the following sections of the Alaska CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this AK CDL practice test now to prepare for the actual test!
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1.
The service line is also called:
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brake line.
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control line.
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cable line.
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2.
In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. If you wish to change lanes, you should:
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assume the car left the roadway and change lanes as normal.
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ease into the other lane slowly so the other car can get out of the way.
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wait until you are sure the car isn't in your blind spot.
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3.
Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
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shifting into neutral may help slow the vehicle.
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pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
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the parking brake should never used to slow the vehicle.
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4.
The tire load for each tire is stated:
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on the side of the tire.
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on the inside of the tire.
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on the tread of the tire.
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5.
If you must make an emergency stop, you should:
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brake in a way that will keep your vehicle in a straight line.
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apply the brakes as hard as you can to lock them.
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use the hand brake before the brake pedal.
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6.
A bridge formula permits:
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less maximum axle weight for axles that are close together.
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less maximum axle weight for axles that are far apart.
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more maximum axle weight for axles that are closer together.
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7.
If your trucks has a high center of gravity, which of the following is true for curves?
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Reduce your speed to a crawl.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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You should travel at the posted speed limit.
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8.
You hear a loud "bang" which sounds like a tire blowout. You should:
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check the tires at the next stop.
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keep driving as normal.
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assume you
have a tire failure.
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9.
For safety during a trip, you should:
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check critical items when you stop.
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watch gauges for signs of trouble.
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All of the above.
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10.
To use the controlled braking method in an emergency, you should:
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apply the brakes as hard as you can without locking the wheels.
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apply the brakes when the wheels lock up.
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apply your brakes all the way, and release the brakes when the wheels lock up.
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AK CDL Doubles Triples Test
| Number of questions: | 20 |
| Correct answers to pass: | 16 |
| Passing score: | 80% |
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