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New Mexico CDL Permit Test - Knowledge Test Class A

Number of questions: 50
Passing score: 40
Directions: This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds 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), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors
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1.
If there is a fire in your vehicle, you should not:
Park in an area away from buildings, trees, brush, and other vehicles.
Pull into a service station.
Notify emergency services of your problem and your location.
2.
A tread depth of ____ should be in every major groove of a front tire.
1/32 of an inch
2/32 of an inch
4/32 of an inch
3.
If the safety relief valve in an air brake system is releasing air:
You should not be concerned as this is a normal process.
There is something wrong with the brakes.
The valve is operational.
4.
The leakage rate for a triple combination vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
8 psi
5 psi
3 psi
5.
During an inspection, slack adjusters on S-cam brakes should not move more than:
One foot.
One centimeter.
One inch.
6.
Without the proper amount of oil in its engine:
A vehicle will have difficulty stopping.
A vehicle will make quick, jerking movements while being driven.
The engine may be quickly damaged.
7.
A vehicle that is smaller than your vehicle:
Will usually be able to stop faster than your vehicle.
Will usually take more time to stop than your vehicle.
Will take about the same amount of time to stop as your vehicle.
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