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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. When driving on slippery roads, you should NOT:
go slowly.
try to anticipate stops early.
use the engine brake.
2. When making a turn you should:
make gestures to get the attention of other drivers.
signal early.
honk your horn.
3. If your school bus is equipped with ABS, it will have:
a yellow ABS malfunction lamp on the instrument panel.
an ABS certification on the driver’s side area of the bus.
None of the above.
4. How many drinks per hour can be handled by the liver?
About 1 drink per hour.
About 3 drinks per hour.
About 2 drinks per hour.
5. When students unload the bus, they should:
walk at least 10 feet away from the bus.
stand at the side of the bus.
walk along the side of the bus.
6. Hydroplaning is more likely if:
tire tread is worn.
tire pressure is low.
All of the above.
7. When evacuating the bus, a safe place will be at least _____ off the road in the direction of oncoming traffic.
100 feet
30 feet
20 feet
8. When stopping to pick up students at the bus stop, which of the following comes after all the others?
Activate the alternating red lights when traffic is a safe distance from the school bus.
Place the transmission in park or in neutral and set the parking brake.
Check to confirm that all traffic has stopped before opening the door and signaling students to approach.
9. If you doubt you have enough space to pass under a bridge, you should:
drive faster.
go slowly.
turn on your headlights.
10. You should adjust the outside left and right side crossover mirrors so you can see:
the right and left front tires touching the ground.
200 feet behind the bus.
along the sides of the bus.
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AZ School 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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