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Mississippi 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 Mississippi Professional Driver’s Manual. Questions come from chapters covering: Driving Safely, Transporting Cargo 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 correct a drive-wheel braking skid, a driver should do all of the following, except:
Remove your foot from the brake pedal.
Turn quickly in the direction of the skid.
Countersteer after the vehicle is back on course.
Accelerate.
2.
What is another name for front-end header boards?
Headache racks
Cargo stoppers
Head braces
Ballasts
3.
The suspension system:
Holds up the vehicle and its load.
Keeps the load the proper distance behind the driver’s compartment.
Maintains a safe distance between the vehicle and other vehicles.
Lightens the load for the tires.
4.
When backing with a trailer:
You should not back up in a straight line.
You should not correct drift until you are far off course.
You should frequently pull forward to reposition the vehicle.
5.
If you must drive in reverse, it is helpful to:
Drive as fast as possible and get it over with.
First exit the truck and walk the path to look for obstacles.
Use only the passenger side mirror.
Stick your head out the window and look backward.
6.
Which of the following is not a sign of bad brakes?
Cracked drums
Very thin pads
Pads free of oil or grease
7.
Move over laws require:
Trucks to use the left lane.
All vehicles to vacate the lane closest to an emergency vehicle that is stopped with its lights flashing.
All vehicles to use the left lane.
All vehicles to move to the left lane if a flatbed trailer is in the right lane.
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