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
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1.
While driving, if it discovered the ABS is not working, the driver should:
Put on the hazard lights
Downshift
Brake like normal
Use the parking brake
2.
When inspecting the exhaust system, which of the following should not cause concern?
Loose or broken exhaust pipes
Loose or broken mounting brackets
Leaking exhaust system parts
Exhaust system parts that are not rubbing against fuel system parts
3.
If a truck's Anti-Lock Braking System (ABS) is not working:
The truck will not have any brakes.
The truck should be driven only at slow speeds.
The truck will still have brakes.
The truck will lack brakes on its left side.
4.
When you need to brake, how can you warn drivers behind you?
Tap on the brakes a couple of times.
Stick your arm out the window.
Swerve within your lane.
Change lanes.
5.
What should be used to check for proper tire inflation?
A tire gauge
A tire iron
An air compressor
A lug nut
6.
To prevent your tires and engine from overheating while you are driving in especially hot weather, you should:
Increase your speed.
Decrease your speed.
Drive on the shoulder.
Drive with your windows down.
7.
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
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