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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 Maryland school bus test, and you must also pass skills tests in a school bus. The MD 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 Maryland CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MD CDL practice test to prepare for the actual bus test!
1. The heavier the vehicle:
the higher the center of gravity will be.
the less work the brakes must do to stop it.
the more work the brakes must do to stop it.
None of the above.
2. If driving a new vehicle, you should familiarize yourself with the controlsĀ and equipment:
after pulling into a service station.
before you start driving.
within the first 50 miles.
as you drive.
3. When you need to brake, you should warn the drivers behind:
by flashing your brake lights.
by turning on the 4-way emergency flashers.
by making gestures.
by changing lanes.
4. While crossing railroad tracks, you should:
stop, then look and listen for the train.
shift up.
not shift gears.
shift down.
5. After unloading at the school, you should walk through the bus to:
release the parking brake.
close the door.
make sure no students are returning to the bus.
to check for items left by students and hiding or sleeping students.
6. When stopping, you should bring the school bus to a full stop how many feet away from students at the bus stop?
At least 25 feet
At least 10 feet
At least 5 feet
At least 50 feet
7. At drawbridges that do not have a signal light or traffic control attendant, you must stop at least _______ before the draw of the bridge.
15 feet
30 feet
75 feet
50 feet
8. ABS:
does not decrease your stopping distance.
helps you increase your following distance.
helps you increase your average speed.
improves your visibility at night.
9. During an emergency student safety is generally best maintained by:
having the students stand at least 50 feet off the road in the direction of oncoming traffic.
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.
10. If you are driving a school bus, the 4-way emergency flashers should:
be activated before crossing railroad tracks.
be used only when a train is approaching.
be activated after crossing railroad tracks.
never be used.
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MD CDL Bus Test

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