Knowledge Test Class A

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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..

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 70-question test. Test questions come from the New York State Commercial Motor Vehicle Drivers Handbook. Each question has four answer choices. To pass, applicants must answer 56 questions correctly. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat, Tank, Air Brakes and School bus.

Passing grade:

During a static leakage test, the maximum leakage rate for a triple combination vehicle with air brakes is ____ in a minute.

Explanation
When performing a static leakage test on a triple combination vehicle with air brakes, the leakage rate should be no more than 5 psi in one minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.

What is the average driver’s reaction time?

Explanation
The average driver has a reaction time of between three-quarters of a second and one second.

Your vehicle's final position should be:

Explanation
You should finish each exercise with your vehicle in the exact position described by the examiner. You can be penalized for failing to complete an exercise exactly in the manner described by the examiner, potentially resulting in failure of the basic control skills test.

An item that is 40 feet long placed on a flatbed trailer should be secured by at least ____ tie-down(s).

Explanation
Cargo on a flatbed trailer should be secured by at least one tie-down for every 10 feet of the cargo's length. Cargo should be secured by a minimum of two tie-downs, regardless of size.

While operating a CMV:

Explanation
A safety belt is your best defense in the event of a collision. You must always wear a safety belt while operating a CMV.

Emergency brakes:

Explanation
All trucks, truck tractors, and buses must be equipped with emergency brakes and parking brakes. These brakes must be held by mechanical force.

Header boards:

Explanation
Front-end header boards, also known as "headache racks," protect the driver from cargo moving in the event of a crash or emergency stop.
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