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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. Air brakes use ________ to make the brakes work.
compressed gas cylinders
compressed gases
compressed air
2. To know when to shift, you can use each of the following except:
road speed.
perception distance.
engine speed.
3. If the road is icy, you should:
put the transmission in neutral and stay off the brake until the vehicle has slowed down, then pull off the road and stop.
reduce speed to a crawl and stop driving as soon as you can safely do so.
maintain your current speed and stop driving as soon as you can safely do so.
4. Crossover mirrors are used to:
see the "danger zone" areas in front of the bus and to the left and right side of the bus.
monitor passenger activity inside the bus.
monitor the left and right sides of the bus at a wide angle.
5. The area to the left of the bus is always considered dangerous because of:
parked vehicles.
passing vehicles.
blind spots.
6. If you recognize a distracted driver on the road, you should:
follow them closely.
try to pass them.
give them plenty of room.
7. When your route is finished, you should conduct a post-trip inspection of the bus. The inspection should include all of the following except:
Looking for articles left on the bus
Looking for sleeping students
Opening windows and doors
8. Service brakes should:
always be checked before applying the brakes.
only be checked by a mechanic.
be checked before each trip.
9. When approaching the bus stop, you should activate the lights approximately _______ before the bus stop.
5-10 seconds
4-6 seconds
25 seconds
10. Never refuel your bus:
while the windows are open.
in a closed building with riders on board.
with a higher grade of fuel.
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OH CDL School Bus Test

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