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Braking will only occur if there is enough air in the tanks.
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You can brake 14 times before the air in the system runs out.
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You should continue to drive normally and check the brake system when it is convenient.
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You should continue driving, but turn the emergency flashers on to warn other motorists.
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Colorado CDL Permit Test - Knowledge Test Class A
(From the 2021 Colorado CDL driver handbook)
| 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.
Passing grade —
10 or fewer errors
advertising
1.
If the low pressure warning light comes on while you are driving:
2.
What is Gross Vehicle Weight (GVW)?
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The total weight of a vehicle and its cargo
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The total weight of a vehicle before cargo
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The total weight of cargo
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The maximum weight allowed to be transported by a vehicle
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3.
When driving in fog, you should:
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Use the windshield wipers.
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Use low beam headlights.
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Use high beam headlights.
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Use the air conditioning.
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4.
If a tire fails while you are driving, you should:
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Brake as hard as possible.
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Release the steering wheel.
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Stay off the brakes and let the vehicle slow down.
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Stop on the roadway.
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5.
If you identify a distracted driver on the road, you should:
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Follow their vehicle closely.
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Try to get their attention.
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Give them plenty of room.
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Flash your lights at them.
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6.
When preparing to drive in the winter, be sure to check:
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The coolant level.
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The defrosting and heating equipment.
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The windshield wipers.
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All of the above.
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7.
Federal and state laws require:
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Drivers to regularly inspect their vehicles.
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Drivers to inspect their vehicles, but only if they believe there may be a problem.
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Drivers to inspect their vehicles if planning to travel out-of-state.
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Drivers to inspect their vehicles, but only if they will be transporting hazardous materials.
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