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The school bus endorsement applies to applicants who wish to drive a school bus in any Class A or B CDL. To add an S endorsement to your CLP/CDL, you must pass the New Mexico school bus test, and you must also pass skills tests in a school bus. The NM CDL bus test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The knowledge test covers the following sections of the New Mexico CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this NM CDL practice test to prepare for the actual bus test!
1. One reason parked delivery trucks can present a hazard is:
their drivers are often in a hurry and may suddenly step out of their vehicle.
packages may fall out of the truck.
they are often hard to see.
2. The ABS malfunction lamp on the instrument panel is:
3. If your bus gets stuck on a railroad track, you should:
lead students across the tracks, and have them stand at least 100 feet off tracks.
keep students on the bus and contact your dispatcher to explain the situation.
lead students as far away from the tracks as possible, in the direction of any oncoming train.
4. When going down a hill, you should downshift:
as you go downhill.
after starting down a hill.
before you start going downhill.
5. Riders getting on or off the bus:
are likely to be disruptive.
can stumble and should be supervised.
should not be supervised.
6. Escape ramps:
can only be used by trucks or passenger vehicles.
have been built to stop runaway vehicles on steep downgrades.
are used to safely leave the highway.
7. Before driving your bus, to be sure it's safe you should:
review the bus safety guidelines.
ask the shipper for the Safety Confirmation report.
review the inspection report made by the previous driver.
8. You are driving a school bus, When approaching a railroad crossing you should:
cross the tracks in a high gear.
activate the 4-way emergency flashers.
stop no closer than 5 feet from the tracks.
9. Students should board the bus:
only when signaled by the driver.
only if the driver knows their names.
10. When unloading students, you should:
have the students remain seated until told to exit.
invite the students to head toward the door while the bus is still moving.
get off the bus and stand right next to it.
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NM CDL Bus Test

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