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It limits the view behind the trailer.
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It provides a point of reference for the driver.
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It allows the driver to see stickers placed on the side of the trailer.
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New Mexico CDL Permit Test - Knowledge Test Class B
(From the 2021 New Mexico CDL driver handbook)
| Number of questions: | 50 |
| Passing score: | 40 |
Directions:
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three possible answer choices. Test questions come from the New Mexico Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Passing grade —
10 or fewer errors
advertising
1.
Why should part of the vehicle be visible in a properly adjusted side mirror?
2.
You may be an aggressive driver if you:
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Expect delays on your drive.
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Slow down and maintain a reasonable following distance.
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Make hand gestures that could anger other drivers.
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3.
When checking power steering hoses during a pre-trip inspection, you should look for:
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Leaks.
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Secure connections to the battery.
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Extra hose pieces available for repairs.
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4.
If convicted of a traffic violation in your personal car:
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You must tell your employer.
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Your CDL will not be affected.
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Law enforcement will tell your employer.
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5.
When traveling down a steep grade, you switch into a lower gear:
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Before beginning the grade.
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When you have already started the grade.
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As far down the grade as possible.
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6.
When driving in fog, you should:
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Slow down.
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Speed up.
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Drive on the shoulder.
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7.
When applying your brakes, the vehicle should:
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Pull to one side.
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Squeak.
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Not pull to either side.
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