Colorado 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 four possible answer choices. Test questions come from the Colorado 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
While driving, if it discovered the ABS is not working, the driver should:
Put on the hazard lights
Brake like normal
Use the parking brake
If the ABS is not working on the truck:
The truck will not have any brakes
The truck should be driven only at low speeds
The truck will still have brakes
The truck will lack brakes on the left side
When it is hot outside, to prevent overheating you should:
Drive faster
Drive slower
Drive on the shoulder
Drive with the windows down
When stopping, the brake pedal:
Should be pressed down quickly
Should be pressed down gradually
Should be lifted up quickly
Should be lifted up gradually
When you need to brake, how can you warn drivers behind you?
Tap on the brakes a couple times
Stick your arm out the window
Swerve within your lane
Change lanes
If inspecting the exhaust system, which of the following is not a problem?
Loose or broken exhaust pipes
Loose or broken mounting brackets
Exhaust parts rubbing against fuel system parts
Exhaust system parts that are not leaking
What should be used to check for proper tire inflation?
A tire gauge
A tire iron
An air compressor
A lug nut
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