Ashtabula County District Library

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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 Ohio school bus test, and you must also pass skills tests in a school bus. The OH 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 Ohio CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this OH CDL practice test to prepare for the actual bus test!
1. Proper adjustment and use of all mirrors is vital to the safe operation of a school bus:
in order to monitor the danger zones around the bus for students, traffic, and other objects.
in order to have the students exit in orderly fashion.
in order to see 500 feet or 10 bus lengths behind the bus.
2. If your bus gets stuck on a railroad track, the students:
should remain on the bus.
should be evacuated and moved as far away from the tracks as possible.
should be evacuated and stand near the bus.
3. If the safety relief valve in the air brake system releases air:
this will supply more power to the brakes.
the valve is fully operational.
something is wrong.
4. You should adjust the outside left and right side crossover mirrors so you can see:
200 feet behind the bus.
along the sides of the bus.
the right and left front tires touching the ground.
5. What factors can cause brakes to fail or fade?
Excessive use of the service brakes
Brakes out of adjustment
All of the above.
6. When dealing with a drunk or disruptive rider, you must:
take this rider to the closest police department.
ensure the rider's safety, as well as that of others.
discharge the disruptive rider immediately.
7. If your bus is equipped with a roof-mounted strobe light, you should use it:
when you have limited visibility.
whenever possible.
only in an emergency.
8. If you hear a loud loud "bang" and the steering feels "heavy", you should:
brake hard and pull off the road.
hold the steering wheel firmly and stay off the brake.
pump the brakes until the vehicle has slowed down.
9. The overhead inside rearview mirror is used to:
monitor passenger activity inside the school bus.
monitor the blind spot area directly behind the driver’s seat.
perform a safe stop at designated unloading areas.
10. Antifreeze:
helps the engine only under hot conditions.
helps the engine under hot conditions as well as cold conditions.
helps the engine only when the temperature is below freezing.
 
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OH School Bus Test

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