|
Having the vehicle parked against a wall or other vehicle.
|
|
|
Using chock blocks.
|
|
|
Parking on a slight incline.
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New Mexico CDL Permit Test - Combination
(From the 2020 New Mexico CDL driver handbook)
| Number of questions: | 20 |
| Passing score: | 16 |
Directions:
All applicants who are applying for a Class A CDL should be prepared to take the Combination test. This test covers information found in Section 6 of the Commercial Driver License Manual. Section 6 provides the information needed to safely operate tractor-trailers, doubles, triples, and straight trucks with trailers. The test is made up of 20 multiple-choice questions, and applicants will have two hours to correctly answer a minimum of 16 questions. The Combination test is not a replacement for the Double/Triple endorsement test.
Passing grade —
4 or fewer errors
advertising
1.
If a parked trailer does not have spring brakes, you should keep the trailer from moving by:
2.
Having anti-lock brakes on only one axle:
|
Will not make a difference in braking.
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|
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Will provide increased control in braking.
|
|
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Will likely cause the air brakes to malfunction.
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3.
Which of the following will not help prevent a rig from rolling over?
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Keeping the cargo as close to the ground as possible
|
|
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Driving slowly around turns
|
|
|
Driving on the shoulder of a road
|
4.
When coupling, you should:
|
Make sure to couple the proper glad hands.
|
|
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Only couple one set of glad hands.
|
|
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It is best to leave one glad hand loose.
|
5.
When backing up your tractor while coupling it to a trailer, the trailer brakes should be:
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Deactivated.
|
|
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Locked.
|
|
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Unlocked.
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6.
After completing a pre-trip inspection, you should ensure that the:
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Service line valve is closed.
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|
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Trailer hand brake is applied.
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|
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Emergency line valve is open.
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7.
If you cannot reverse your trailer in a straight path, you should:
|
Swerve back and forth while backing.
|
|
|
Back toward the driver's side.
|
|
|
Back toward the passenger's side.
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