Oklahoma CDL Permit 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 Oklahoma 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 a vehicle is hydroplaning, you should:
Use the accelerator
Not use the brakes
Put the vehicle in a higher gear
2.
Why should you regularly drain the air tanks?
Because the air gets old and needs to be replaced
Because compressed air contains some water and the water collects in the tanks
To allow for a change in pressure
3.
How long is a CDL valid?
2 years
3 years
4 years
4.
On flat surfaces,
Wheel chocks can be used to prevent the vehicle from moving
Wheel chocks nake it easier for the vehicle to roll
Wheel chocks should only be used on the front driver side tire
5.
Radial and bias ply tires:
Should be used together
Should be used together on the front
Should not be used together
6.
Re-grooved tires are:
Allowed only on the front
Allowed only in the rear
Not allowed at all
7.
Heights posted at bridges:
Are always accurate
Are legally binding
Can be incorrect
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