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Delaware CDL Permit Test - Double

Number of questions: 20
Passing score: 16
Directions: This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 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: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
To avoid becoming an aggressive driver, you should:
Plan trips without allocating extra time for traffic.
Tailgate.
Drive slowly in the left lane.
Not make gestures to other drivers.
2.
All air tanks must include:
A drain valve.
A lock.
A trap door.
A warning sticker.
3.
Most drivers are the least alert:
In the morning.
In cold weather.
At night.
After work.
4.
When coupling together two trailers, you can secure the second trailer by:
Backing the trailer into a wall.
Setting the trailer emergency brakes.
Placing wheel chocks on the sides of the tires.
5.
When backing with a trailer, turning toward the driver’s side is encouraged because:
The driver will have the best possible view.
Power lines should be on the passenger's side.
Other drivers can offer assistance on the passenger's side.
6.
Roads are slippery when it first begins to rain because:
Water is slippery.
The fresh rain mixes with oil on the roadway.
The water has nowhere to go.
Concrete can be slippery.
7.
When checking its automatic transmission fluid, the vehicle:
Should be placed on an incline.
Should be placed on a decline.
May have to be running.
Should be lifted with a jack.
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