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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 Arizona school bus test, and you must also pass skills tests in a school bus. The AZ 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 Arizona CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this AZ CDL practice test to prepare for the actual bus test!
1. Antifreeze:
helps the engine only when the temperature is below freezing.
helps the engine only under hot conditions.
helps the engine under hot conditions as well as cold conditions.
2. The ABS malfunction lamp on the instrument panel is:
3. Properly adjusted outside left and right side flat mirrors should allow the driver to see:
the rear tires touching the ground.
at least 1 traffic lane on either side of the bus.
the front tires touching the ground.
4. When dealing with a drunk or disruptive rider, you must:
ensure the rider's safety, as well as that of others.
discharge the disruptive rider immediately.
take this rider to the closest police department.
5. To ensure rider safety, bus drivers should always check the interior of the bus before driving. Aisles and stairwells should always be:
reserved for seniors.
6. The overhead inside rearview mirror:
may provide limited visibility in the back of the bus if the bus is equipped with a glass-bottomed rear emergency door.
is used to monitor passenger activity inside the bus.
All of the above.
7. If your bus has a manual transmission, when crossing railroad tracks you should never:
listen and look in both directions for trains.
proceed carefully.
change gears.
8. During an emergency student safety is generally best maintained by:
leading students downwind of the bus if fire is present.
leading students as far away from the bus as possible.
keeping students on the bus.
9. Before starting down a hill, you should slow down and shift down:
to a gear that will cause your engine to exceed its redline.
to a speed that you can control without using the brakes hard.
so you can coast downhill.
10. When inspecting the vehicle, make sure that:
all emergency exits are not damaged.
all internal and external mirrors and mirror brackets are not damaged.
All of the above.
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AZ CDL Bus Test

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