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The air hoses are making a hissing noise.
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The air hoses and electrical lines are not cut.
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The air lines are not pinched.
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The air lines are not dragging against tractor parts.
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Delaware CDL Permit Test - Knowledge Test Class A
(From the 2021 Delaware 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 or four possible answer choices. Test questions come from the State of Delaware 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.
When checking the air and electrical lines during a vehicle inspection, all of the following should be true, except:
2.
If driving in a foggy area, you should not:
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Decrease your speed.
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Increase your speed.
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Use your low beam headlights.
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Turn on your four-way flashers.
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3.
During exercises that are not the straight line backing exercise, you may exit your vehicle to check its position no more than:
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One time.
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Two times.
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Three times.
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Four times.
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4.
In very hot weather, tires should be checked regularly because:
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They may melt.
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Air pressure may increase with the temperature.
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The tread wears down extra quickly.
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The lug nuts may loosen.
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5.
Which of the following vehicles is not exempted in requiring the driver to hold a CDL?
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A military vehicle
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A school bus
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An emergency vehicle
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6.
Which of the following is not a crime that would disqualify an applicant from a hazardous materials endorsement?
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Arson
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Dishonesty
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Robbery
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Littering
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7.
Routine vehicle inspections should be done to ensure:
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Safety.
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Good gas mileage.
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Comfort.
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