CDL DOUBLES TRIPLES PRACTICE TEST NEVADA

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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 Nevada doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The NV CDL doubles triples test covers the following sections of the Nevada CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this NV CDL practice test now to prepare for the actual test! Important: Triple trailers are not legal in Nevada.
1. Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
6/24 inch
8/32 inch
4/32 inch
2/8 inch
2. Before each trip, you must make sure:
the cargo is balanced and secured.
the cargo has a high center of gravity.
the truck is overloaded.
your cargo obscures your view to the sides.
3. In a dual air brake system, if one air system is very low on pressure:
either the front or rear brakes will not be operating fully.
the effect won't be noticeable for the first 50 miles.
you should pump the brakes to restore pressure.
you should drive and brake as you always have.
4. When checking the engine compartment in a vehicle inspection, you should check all of the following except:
Shock absorbers
Engine oil level
Windshield washer fluid level
Coolant level in radiator
5. When conducting a pre-trip inspection:
you should review the last vehicle inspection report.
the inspection report should only be reviewed if you will be carrying passengers.
the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
None of the above.
6. If brakes fail on a long downgrade, you should:
use an escape ramp if it is available.
turn off the engine as soon as you.
pump the brake pedal 3 times.
set the parking brake.
7. A low air pressure warning signal:
is required on all vehicles without air brakes.
is required on vehicles with air brakes.
is optional on vehicles with air brakes.
None of the above.
8. Another name for front-end header boards is:
head belt.
headache racks.
cargo stopper.
containerized racks.
9. The tractor protection valve:
keeps air in the tractor brake system should the trailer break away or develop a bad leak.
works the trailer brakes.
supplies air to the trailer air tanks.
controls the emergency brakes on combination vehicles.
10. When driving in hot weather, drivers should inspect tires:
every hour or every 50 miles.
every 2 hours or every 100 miles.
every 3 hours or every 75 miles.
every 4 hours or every 200 miles.
 
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Frequently Asked Questions

You are eligible for an instruction permit at 15½ years old. If you are under 18, you must hold the permit for at least 6 months before applying for a class C driver license. If you are over 18, you can either receive the permit or, if you directly schedule the skills test, you will receive only an interim document until you pass the test.

You can take the DMV written test online at KnowTo Drive, the official knowledge testing platform in Nevada. If you are under 18, an adult at least 21 years of age must be present to complete your identity verification. After you pass the exam, you are still required to schedule an appointment and visit a DMV office to receive the permit. Alternatively, you can schedule the knowledge test at any Nevada DMV office.

You must bring the following documents:
  • Proof of identity (one document). If you've changed your name, provide documentation.
  • Proof of Social Security number.
  • Proof of Nevada residence (two documents).
  • Completed Application for Driving Privileges (DMV 002).
For individuals under 18:
  • Certification of Attendance signed by the School Principal or School Designee.
  • Minor Affidavit signed by parent/guardian.
Check all acceptable documents here.

The DMV written test in Nevada is available in both English and Spanish. If you don't speak these languages well, you can use a DMV Approved Interpreter. The interpreter will also be required to complete an "Affidavit of Oath for Interpreters" form at the DMV office.

To prepare for the DMV written test, read the Nevada Driver's Handbook and take our free practice tests. Topics covered on the exam include road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Once your scores are good, you are ready for the real knowledge test.
 
With an instruction permit, you can drive only if accompanied by a driver who is at least 21 years old, has been licensed for at least 1 year, and is seated beside you. After receiving your driver's license, you cannot transport passengers under 18 for the first 6 months (except for family members). Until you turn 18, you are restricted from driving between 10 p.m. and 5 a.m., unless for approved school or work activities. Finally, it is prohibited for all drivers under 21 to operate a vehicle after consuming any amount of alcohol.

Nevada instruction permits remain valid for one year. In case of expiration, you can renew it in person at a DMV office and a parent or guardian is required to sign another Financial Responsibility Statement.

If you don't pass your online DMV written test in Nevada, you'll need to wait for one calendar day before trying again. An additional fee is required for each attempt. If you find the exam difficult, sign up for DMV Premium, which offers numerous resources and practice tests to improve your preparation.

NV CDL Doubles Triples Test

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