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Maine CDL Permit Test - Knowledge Test Class B

Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three possible answer choices. Test questions come from the Maine Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
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8.

As part of the vehicle inspection test, you will be asked to:

Explain why you must check the items you are checking.
Change the coolant.
Replace a headlight.
9.

When performing a pre-trip inspection and looking into the fifth wheel gap, you should:

Make sure the locking jaws are open.
Make sure the locking jaws are fully closed around the kingpin.
Make sure the locking jaws are loose.
10.

When should mirror adjustments be made?

Before starting a trip
While driving
When a vehicle is stopped at a traffic signal
11.

When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:

To see if the vehicle is on an incline.
To see if there are any fresh fluids on the ground.
To see if the vehicle is in a parking spot.
12.

One way to prevent hydroplaning on wet road surfaces is to:

Ensure that your tires have good tread depth.
Under-inflate your tires.
Drive faster than usual.
13.

Having ABS on only one axle:

Can be dangerous.
Still allows you additional control when braking.
Slows the vehicle, but cannot stop it.
14.

When should you slow for a curve?

Before entering the curve
While in the curve
After the curve
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