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Loose.
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Free of oil.
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Soft.
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Missouri CDL Permit Test - Knowledge Test Class A
(From the 2021 Missouri 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 three possible answer choices. Test questions come from the Missouri Commercial Driver’s 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.
Brake linings should be:
2.
Hydroplaning happens most often when:
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A vehicle is traveling faster than 60 mph.
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Tire pressure is too low.
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Tire tread is too deep.
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3.
When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:
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Always pump the brakes several times before holding down the brake pedal.
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Brake normally.
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Press down the brake pedal as hard as possible every time you slow or stop.
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4.
When starting an engine:
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The brakes will lock up.
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Warning lights should turn on, then quickly turn off.
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Coolant temperatures should decrease.
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5.
Air brakes use ____ to function.
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Compressed air
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Liquid air
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Nitrogen
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6.
When loading a trailer, it is important to:
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Place as little weight as possible over the axles.
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Place a well-balanced amount of weight over the axles.
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Place weight over only the axles.
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7.
Which of the following is not a good rule when using turn signals?
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Signal early. Signal well before a turn or lane change.
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Signal continuously. Do not cancel a signal until the turn is completed.
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Don’t over-signal. If no one is near you, there is no need to signal.
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