NM CDL PRACTICE TEST - GENERAL KNOWLEDGE

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The CDL general knowledge test is required to be taken by all CDL applicants. The New Mexico CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the New Mexico CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual NM general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. When inspecting your vehicle, before checking the engine compartment be sure that:
the parking brakes are on and/or wheels chocked.
all lights are working.
the fire extinguisher is properly charged and rated.
2. To avoid becoming distracted while driving, you should:
familiarize yourself with your vehicle's features within the first 10 miles of driving.
pre-program your favorite radio stations.
be careful when reading a text message on your mobiledevice while driving.
3. When traveling with Division 1.1, 1.2, or 1.3 explosives, do not park within _____ of a building.
300 feet
50 feet
150 feet
4. When a vehicle is hydroplaning:
the clutch is stuck.
the tires lose their contact with the road.
the spray from large trucks reduces visibility.
5. Which of the following helps keep the engine cool in hot weather?
Making sure the anti-lock braking system is on.
Driving faster to force more air into the radiator.
Making sure there is enough engine oil.
6. Which of the following statements about retarders is NOT correct?
Retarders help you avoid skids.
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.
7. To know when to shift, you can use each of the following except:
road speed.
engine speed.
perception distance.
8. In a dual air brake system, if one air system is very low on pressure:
you should pump the brakes to restore pressure.
you should drive and brake as you always have.
either the front or rear brakes will not be operating fully.
9. Weaving across the road or drifting from one side to another is typical of:
shoppers.
confused drivers.
impaired drivers.
10. Loose engine belts will:
improve fuel efficiency.
not turn the water pump and/or fan properly, which will result in overheating.
will make it easier to stop quickly.
 
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NM CDL Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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