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Vermont 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 Vermont Commercial Driver’s 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
Be sure that your wheel bearing/seals are:
Not leaking.
If the brakes pull to one side or the other when used:
They are working properly.
They need to be checked.
They will be the most effective.
When starting an engine:
The brakes will lock up.
Warning lights should turn on, then quickly turn off.
Coolant temperatures should decrease.
When driving, knowing what is happening behind you is:
Rarely important.
Some water and compressor oil is usually found in the compressed air within an air brake system. The water and compressor oil:
Are necessary for the proper function of the system.
Should take up about 10 percent of the tank.
Should be removed regularly.
What kind of brakes do most newer heavy-duty trucks use?
Single air brakes
Dual air brakes
Triple air brakes
When entering a curve, you should:
Shift into neutral.
Use the shoulder.
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