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West Virginia 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 West Virginia Commercial Driver’s 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.
Before beginning downhill, you should:
Shift into a higher gear.
Take your vehicle out of gear.
Shift into a lower gear.
Rely only on braking to reduce your speed.
2.
If a vehicle is equipped with power steering, the hoses should be checked:
For leaks.
To ensure that they are still clear.
To ensure that they are connected to the battery.
For the proper amount of brake fluid.
3.
Air brakes are:
An effective tool for stopping large vehicles.
Prohibited on large vehicles.
Only effective in poor weather.
A tool to improve fuel efficiency.
4.
Using a helper when backing is:
Encouraged.
Discouraged.
Illegal in most states.
Usually a cause of problems.
5.
If a vehicle has a vehicle inspection report, the driver:
Should not look at the report and instead try to find any issues themselves.
Should take the vehicle to a mechanic.
Should review the report.
Should not conduct a pre-trip inspection and rely only on the report.
6.
When inspecting a power steering-equipped vehicle, you should be sure that:
The fluid is at the proper level.
The hoses are connected to the battery.
The hoses do not contain any fluid.
Only small leaks are present.
7.
A broken exhaust system:
Can allow poisonous fumes into the cab.
Does not cause problems.
Should not cause concern.
Helps the vehicle run better.
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