CDL PRACTICE TEST - GENERAL KNOWLEDGE (NEW MEXICO)

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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. Which of the following can cause vehicle fires?
Improper fueling
Short circuits and loose connections
All of the above.
2. Drivers should adjust their mirrors:
after driving.
before driving.
while driving.
3. When taking a curve you should:
slightly exceed the posted speed limit for the curve, as this will help you keep control.
be in a gear that will let you accelerate slightly in the curve.
brake in the curve to avoid to locking the wheels.
4. If a tire blows out, you should:
fully apply the brakes while holding the steering wheel firmly.
keep driving until you reach the next service station.
keep a firm grip on the steering wheel and stay off the brake until the vehicle has slowed down.
5. As long as the engine is not overheated, it is safe to remove the radiator cap.
False.
True, as long as you are wearing gloves.
True.
6. Which of these is FALSE? The spare tire must:
be approved by the truck manufacturer.
be the proper size.
be properly inflated.
7. Railroad crossings with steep approaches:
require drivers to increase their speed before crossing the tracks.
can cause your unit to hang up on the tracks.
require drivers to shift gears while crossing the tracks.
8. _____ is a thin layer of ice that forms on road surfaces.
Grey ice
Black ice
White ice
9. When a combination vehicle goes around a corner:
the driver must keep the rear of your vehicle far away from the curb.
the front and rear wheels follow a different path.
the rear wheels of the trailer will never off-track.
10. Hydroplaning:
is more likely when tire pressure is low.
is more likely to occur when tire tread is in good condition.
only occurs at speeds above 55 mph.
 
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NM CDL Knowledge Test

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