COMBINATION TEST NEW MEXICO - PRACTICE TEST

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The New Mexico CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the New Mexico CDL Manual. Take this practice test now to prepare for the actual NM CDL combination test!
1. To test the service brake:
push the brake pedal firmly while going about 5 mph.
shift your transmission to a low gear, pump the brake pedal three times, then hold it down for five seconds.
gently try to pull forward with the trailer parking brake on, then release the brake.
2. Combination vehicles have __ air lines.
1
2
3
3. If you discover a fire, before opening trailer doors you should:
use the fire extinguisher on the doors.
feel the doors to see if they are hot.
have a helper open the doors.
4. If your truck has automatic transmission, you should downshift:
when going down grades.
whenever road conditions allow.
after entering a curve.
5. You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
None
Two
One
6. Inspecting the fifth-wheel does NOT include:
making sure that the fifth-wheel plate is greased as required.
checking the area around the vehicle.
ensuring the fifth wheel is in the proper position for coupling.
7. Before starting down a hill, you should:
slow down and shift to a lower gear.
release the accelerator and shift to Neutral at the same time.
look for an escape route.
8. Cargo tie-downs are used to:
prevent freezing.
prevent right-turn accidents.
keep cargo from shifting or falling.
9. If a vehicle is equipped with ABS, when you start the engine:
the spring brakes will come on.
the wheels will lock up.
the ABS indicator light on the dash should come on and then turn off.
10. A vehicle inspection should be done in the same order each time:
because the report must be written in that order.
so you are less likely to forget something.
because it is required by law.
 
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NM CDL Combination Test

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