CDL DOUBLES TRIPLES PRACTICE TEST ARIZONA
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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 Arizona doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The AZ CDL doubles triples test covers the following sections of the Arizona CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this AZ CDL practice test now to prepare for the actual test! Important: Triple trailers are not legal in Arizona.
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1.
Air brakes use ________ to make the brakes work.
compressed air
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compressed gas cylinders
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compressed gases
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2.
To test your parking brake, do the following:
Set the parking brake while going downhill.
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Speed up to 5 mph, then set the parking brake.
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Set the parking brake, and gently pull against it in a low gear.
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3.
Before connecting the converter dolly to the rear trailer, make sure that:
the kingpin rests on the fifth-wheel.
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the shut-off valves at the rear of the first trailer are open.
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the trailer height is slightly lower than the center of the fifth-wheel.
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4.
If your brakes fail on a steep mountain downgrade, you should:
decide what to do as soon as you know your brakes do not work.
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stay on the road and keep looking for the next available escape ramp.
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slow down until your vehicle comes to a complete stop.
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5.
During a walk around inspection of a combination vehicle, drivers should check that:
all locking pins are present and locked in place.
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the glide plate is securely mounted to the trailer frame.
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All of the above.
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6.
To know if your vehicle is equipped with ABS, look for:
a yellow ABS malfunction lamps on the instrument panel.
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the ABS logo on the steering wheel.
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an ABS placard.
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7.
Doubles and triples:
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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can't be turned suddenly.
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8.
Which of the following vehicles is most likely to turn over?
3 axle tractor semitrailer
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65 ft. conventional double
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Triple trailer
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9.
If you experience a loss of hydraulic pressure, you should do all of the following except:
Pump the brakes
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Put the transmission in Neutral
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Downshift
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10.
After an accident, an improper use of flares could cause:
the springs to put on the brakes.
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a fire if spilled fuel is on the ground.
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air pressure to build from 50 to 100 psi within 2 minutes.
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Frequently Asked Questions
The age requirements depend on the type of permit or license you are applying for:
- If you are at least 15 years and 6 months old, you can obtain a graduated instruction permit.
- If you are at least 16 but less than 18, you can be issued a graduated driver license (Class G).
- At the age of 18, you become eligible for a Class D driver's license.
Individuals under 18 can opt for the Permit Test @ Home Program. With this option, you can take the DMV written test online under the supervision of a parent or legal guardian. After passing the test, schedule an appointment at an Arizona MVD office to obtain your permit. If you are 18 years old or older, you can take the exam at a driver license office or at an authorized third-party provider.
To take the DMV test in Arizona, you must bring to an MVD office:
- A completed application
- One primary document (U.S. passport, certified copy of a birth certificate…)
- Two proofs of residency (documents with your name and address from a business, organization, or government agency)
- Proof of your Social Security Number
If your name is different, show legal proof of the name change.
The DMV written test for the driver's license in Arizona is available in several languages, including: English, German, Vietnamese, Mandarin, Spanish, Arabic, Russian, Italian, French, Tagalog, Korean. A verbal test is offered if you have difficulty reading, made many mistakes on a previous test, or the exam isn’t available in your language. To schedule a verbal test, check the nearest MVD office and make an appointment.
To get ready for the Arizona DMV written test, start by reading the Arizona Driver's Manual. This manual has all the info you need to study for the exam: traffic signs, road rules, and safe driving practices. Then, check what you've learned with our free practice tests and consider signing up for DMV Premium to access additional resources!
The Arizona DMV written test consists of 30 multiple-choice questions and is based on the information provided in the manual. Remember, you have 30 minutes to complete the exam. Taking numerous practice tests and thoroughly studying the handbook will increase your chances of success.
To pass the exam, you need a score of 80% or higher. You should get at least 24 questions right, and you're allowed to miss up to 6 questions out of the total 30. Stay focused and take the time to read the questions carefully.
For the initial 6 months, drivers holding a graduated driver license in Arizona face specific restrictions:
- They cannot drive between midnight and 5:00 a.m. unless accompanied by a parent or guardian with a valid license. Driving alone is permitted when traveling to or from sanctioned school activities, places of employment, religious events, or during a family emergency.
- They cannot transport more than one passenger under 18, except for siblings or when accompanied by a parent or legal guardian in the front passenger seat.
The Arizona instruction permit is valid for a duration of 12 months. Use this time to complete an Arizona MVD-approved driver education program, and after holding the permit for a minimum of 6 months, you can apply for a graduated license.
If you fail the DMV written test on your first attempt, you can return to an MVD office or an MVD Authorized Third Party office the next business day to retake the test. If you fail the exam three times, you have to pay another application fee to take it again.
AZ CDL Doubles Triples Test
Number of questions: | 20 |
Correct answers to pass: | 16 |
Passing score: | 80% |
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