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Oregon 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 or four possible answer choices. Test questions come from the Oregon Commercial Driver 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.
A broken exhaust system can:
Let poisonous fumes into the cab.
Improve fuel efficiency.
Make steering more difficult.
2.
When checking your tires as part of the pre-trip inspection, you should look at the:
Tire pressure.
Tire color.
Tire manufacturer.
3.
What is often found in compressed air?
Water
Cardboard
Brake fluid
4.
Distracted driving:
Can only be caused by physical distractions.
Can only be caused by mental distractions.
Can be caused by physical and/or mental distractions.
Can only be caused by cell phone use.
5.
When loading cargo, weight should be placed:
As high as possible.
As low as possible.
As far back as possible.
6.
To stay alert while driving, you should:
Eat a heavy meal before beginning your trip.
Keep the cab warm.
Ride with a second person who can share driving responsibilities.
7.
When driving in the winter, which of the following should receive extra attention in a pre-trip inspection?
Coolant and antifreeze levels
The air conditioning unit
Oil levels
The air filter
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