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Mississippi 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 Mississippi Professional Driver’s Manual. Questions come from chapters covering: Transporting Cargo, Transporting Passengers and Tank 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

Manhole covers:

May be open when a vehicle is being driven.
Should be closed when a vehicle is being driven.
Should never be used.
Should be removed when a vehicle is being driven.

During a bus ride:

Carry-on baggage may be kept in the aisle.
Passengers may sit in the aisle.
Aisles must remain free of obstacles.
Items may be placed in the aisle if passengers could easily step over them.

Identification numbers assigned to chemicals can be found:

In the DOT Emergency Response Guidebook.
In the truck's operation manual.
On the EPA’s website.
At fuel stations.

Tanks have high centers of gravity, which means:

They get very good gas mileage.
They are easy to roll over.
They are very stable.
They are easy to steer.

In general, before loading or unloading any flammable liquids, an engine should be:

Turned off.
Revved up.
Turned on.

When loading or unloading a tank that is divided by bulkheads, equal weight distribution is:


Driving with a cargo of hanging meat in a trailer:

Is discouraged during the summer months.
Can be problematic because animals are attracted to the smell of the meat.
Is challenging because the load has a high center of gravity.
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