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Connecticut CDL Permit Test - Knowledge Test Class A

(From the 2021 Connecticut CDL driver handbook)

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 or four possible answer choices. Test questions come from the Connecticut 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.

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Passing grade —

10 or fewer errors

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Pressing and releasing the brake pedal unnecessarily can:

Release air faster than it can be replaced.
Add more air to a brake system.
Make the brake pedal harder to depress.
Create a loud noise.

Wheel rims that have been welded should:

Be placed in the front of the vehicle.
Be placed in the rear of the vehicle.
Be placed on dual tires.
Not be used.

Belts in the engine compartment should:

Be frayed.
Not have excessive wear.
Be greasy.

Pre-trip inspections:

Should never be done the same way two times in a row.
Should always be done in the same order.
Do not need to be done if the driver is familiar with the vehicle.