CDL AIR BRAKES PRACTICE TEST - NEVADA
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The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the Nevada CDL knowledge test. The NV CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the Nevada CDL Manual. Take this NV CDL practice test now to prepare for the actual air brakes test!
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1.
If you are being tailgated, you should:
avoid quick changes.
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increase your following distance.
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avoid tricks like turning on your taillights or flashing your brake lights.
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All of the above.
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2.
How do you check that spring brakes come on automatically?
On single vehicles, continue to step on and off the brake pedal until the parking brake valve pops out.
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On a tractor-trailer combination vehicle, continue to step on and off the brake pedal until the tractor protection valve and the parking brake valve close.
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Continue to step on and off the brake pedal until the air pressure falls to the manufacturer’s specification.
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All of the above.
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3.
Emergency brakes must be held on by:
hydraulic pressure.
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dynamic pressure.
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mechanical force.
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air pressure.
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4.
Banked curves:
have a safe "design speed".
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are reserved for pedestrians.
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should always be avoided.
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can be taken at any speed.
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5.
Distracted driving may be caused by _________ while driving.
listening to music
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maintaining constant speed
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eating
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All of the above.
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6.
If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
2 seconds
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5 seconds
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3 seconds
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4 seconds
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7.
When confronted by an aggressive driver, you should:
avoid eye contact.
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make every attempt to get out of their way.
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call the police, if you have a cell phone and can do it safely.
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All of the above.
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8.
Supply pressure gauges tell drivers:
how much air pressure they are applying to the brakes.
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how much pressure is in the air tanks.
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how much pressure the relay valves should send to the trailer brakes.
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All of the above.
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9.
An anti-lock braking system (ABS):
should help you steer around an obstacle while braking.
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helps you avoid wheel lock up.
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helps you avoid skids caused by over braking.
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All of the above.
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10.
Typically an air system is fully-charged at:
25 psi
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250 psi
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75 psi
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125 psi
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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 Air Brakes Test
Number of questions: | 25 |
Correct answers to pass: | 20 |
Passing score: | 80% |
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