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Alabama CDL Permit Test - Tank

Number of questions: 20
Passing score: 16
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Alabama Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
The National Response Center must be notified of an incident resulting in any of the following, except:
Death.
Injury requiring hospitalization.
Injury not requiring hospitalization.
2.
When driving on a wet road, you should reduce your speed by:
About one-half.
About one-third.
About one-quarter.
3.
Place the trailer air supply control in its "emergency" position to test:
The trailer emergency brakes.
A coupling device.
The anti-lock brakes.
4.
If you’re unfamiliar with the area in which you must back up, you should:
Get out of your vehicle and walk around the area to become more familiar with it.
Not use both mirrors, as that can cause too much distraction.
Wait for someone else to back up in the area so you see how they do it.
Turn on your high beam headlights.
5.
When it’s difficult to see, such as at dawn or dusk, a driver can increase their vehicle's visibility by:
Driving while using their lights.
Driving with their windows open.
Flashing their lights periodically.
6.
After connecting the air lines to the trailer while coupling, you should:
Supply air to the trailer.
Chock the wheels.
Inspect the fifth wheel.
Connect the electrical cord.
7.
A driver must take the HazMat knowledge test:
Once every year.
Prior to every CDL renewal.
Once every 10 years.
Only once.
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