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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. At speeds below 40 mph, you should leave at least one second in front of you for each ___ feet of vehicle length.
2. As you approach off ramps and on ramps, remember:
to always brake and turn at the same time.
that downgrades make it easier to reduce speed.
that the posted speed limit may not be safe for larger vehicles.
3. When you have to back, you should always try to back toward the driver's side. Why?
You can watch the front of your vehicle by looking out the side window.
You can see better and watch the rear of your vehicle by looking out the side window.
All of the above.
4. You should always try to back toward the driver's side because:
you can watch the rear of your vehicle out the side window.
backing toward the left side is more dangerous.
None of the above.
5. It's very important to distribute the cargo so it is:
in the centre of the load.
as high up as possible.
as low as possible.
6. When going down grades, you should:
put the transmission in Neutral.
shift up.
downshift to a lower gear.
7. After the pre-trip inspection, drivers should inspect their cargo and its securing devices again within ________ after beginning the trip.
25 miles
50 miles
20 miles
8. You are coupling a tractor to a semi-trailer. After checking the trailer height but before supplying air to the trailer, you should:
lock the trailer brakes.
connect the air lines to the trailer.
inspect the fifth-wheel.
9. When should you use chocks to park a trailer without spring brakes?
Only when parking downhill
10. Which of the following statements about off-tracking is true?
If there is more than one trailer, the rear wheels of the last trailer will off-track the most.
Longer vehicles off-track less.
When a vehicle goes around a corner, the rear wheels follow the same path as the front wheels.
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NM CDL Combination Test

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