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The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The New Mexico CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The NM tanker test covers the following sections of the New Mexico CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this NM tanker practice test now to prepare for the actual test!
1. If a trailer does not have spring brakes, to keep the trailer from moving you should:
use the service brakes.
use wheel chocks.
park on a slight decline.
2. Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
Tire splashes
Clear reflections
All of the above.
3. Which of the following statements about retarders is NOT correct?
You should turn the retarder off whenever the road is wet, icy, or snow covered.
Retarders help slow a vehicle, reducing the need for using brakes.
Retarders help you avoid skids.
4. When loading and unloading smaller tanks with bulkheads, the driver must pay attention to:
the shipping papers.
safe driving rules.
weight distribution.
5. To reduce driver distraction, you should do all of the following except:
Plan your route before driving
Pre-program radio stations
Eat while driving.
6. If a vehicle is equipped with ABS, when you start the engine:
the ABS indicator light on the dash should come on and then turn off.
the wheels will lock up.
the spring brakes will come on.
7. Shipping papers must include:
an emergency response telephone number.
the price of the hazardous materials.
what the materials will be used for.
8. Before leaving your vehicle unattended, you should:
Remove the keys.
Apply the parking brake.
All of the above.
9. Which of the following is a clue suggesting a shipment of HazMat?
The type of business is the shipper is in.
Tanks with diamond labels or placards on the premises.
All of the above.
10. What is the most important reason to inspect your vehicle?
Your safety and that of other road users.
Vehicle inspection is required by federal and state laws.
Saving money by preventing costly repairs.
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Tanker Test - NM CDL

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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