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New Hampshire 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 four possible answer choices. Test questions come from the New Hampshire CDL Driver’s Guide. 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
Which of the following is not a type of distraction?
When approaching an active railroad crossing:
You should expect to hear any approaching train.
You may not hear a train as it approaches.
You will hear two short blasts of the train's horn.
There will always be flashing warning lights.
The tractor protection valve:
Ensures that oil adequately lubricates the engine.
Protects the tractor from exceeding a set speed.
Keeps air in the truck braking system if the trailer develops a leak.
If you need to travel down a hill, you should switch into a lower gear:
After you start moving downhill.
As you go downhill and pick up speed.
Before you start moving downhill.
Near the bottom of the hill.
To prevent a trailer from rolling over, you should:
Speed up when entering a turn.
Steer sharply and abruptly.
Take on-ramps faster than the posted speed limits.
Drive slowly around corners.
A driver should always:
Stay in their lane.
Have an emergency plan.
Stay in the left lane.
Drive above the speed limit.
Move over laws:
Require trucks to drive in the left lane whenever possible.
Require all vehicles to vacate the lane closest to a stopped emergency vehicle using its lights flashing lights.
Require all vehicles to use the left lane whenever possible.
Require all drivers to move into the left lane if a flatbed trailer is in the right lane.
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