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. Select the best answer. Danger zones are located:
to the sides of the bus.
on all sides of the bus.
in the front of the bus.
2. Select the best answer. Before operating the school bus, you should always:
check each mirror.
check the left mirror.
check the right mirror.
3. Backing a school bus is:
strongly discouraged.
always safe if you use caution.
strongly encouraged.
4. After stopping, you should:
Activate the alternating red lights and ensure the stop arm is extended.
Turn on the right turn signal indicator.
Have the students board the school bus as quickly as possible.
5. When driving, you should check your mirrors:
every 10 seconds.
regularly.
only when there may be a problem.
6. Riders getting on or off the bus:
are likely to be disruptive.
can stumble and should be supervised.
should not be supervised.
7. If you have to drive off the road, you should:
brake as hard as you can to maintain control.
fully apply the brakes until your speed has dropped to about 20 mph.
keep one set of wheels on the pavement, if possible.
8. To make the brakes work, air brakes use:
hydraulic air.
nitrogen.
compressed air.
9. Before leaving a bus stop, you should:
make sure no students are around or returning to the bus.
walk through the bus to check for items left by students.
walk through the bus to check for sleeping students.
10. If a student drops something in front of the bus, the student should:
leave the item where it fell, and get the driver's attention and permission to retrieve the item.
pick up the object as quickly as possible.
ask the driver to retrieve the item.
 
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OH CDL Bus Test

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