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New Mexico 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 possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the New Mexico 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

Many products classed as poison are also:


Smooth bore tanks have:

Bulkheads with holes that allow the passage of liquids.
Bulkheads that limit the flow of liquids.
Nothing inside to slow the flow of liquids.

Vehicles driving behind a truck:

May have difficulty seeing objects in front of the truck.
Often have a great view of the roadway in front of them.
Do not need to signal.

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.

A broken exhaust system can:

Let poisonous fumes into the cab.
Improve fuel efficiency.
Make steering more difficult.

To change lanes, you should:

Move quickly.
Move slowly and smoothly.
Hold down your horn.

A thin layer of ice that forms on road surfaces is called:

White ice.
Black ice.
Blue ice.
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