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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 Utah school bus test, and you must also pass skills tests in a school bus. The UT 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 Utah CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this UT CDL practice test to prepare for the actual bus test!
1. ABS (Anti-lock Braking System):
does not decrease or increase your normal braking capability.
is an addition to your normal brakes.
keeps your wheels from locking when you apply the brakes hard.
All of the above.
2. To ensure passenger safety during loading and unloading, bus drivers should:
allow passengers enough time to sit down or brace themselves before departing.
start and stop as smoothly as possible.
always ensure that passengers are safely on the bus before closing the door(s).
All of the above.
3. When you are being tailgated, you should:
increase your following distance to create a buffer zone.
signal the tailgater when it's safe to pass you.
flash your brake lights.
All of the above.
4. After unloading at the school, you should walk through the bus to:
close the door.
make sure no students are returning to the bus.
release the parking brake.
to check for items left by students and hiding or sleeping students.
5. Riders getting on or off the bus:
should not be supervised.
can stumble and should be supervised.
should  should stand near the back of your vehicle.
are likely to be disruptive.
6. When checking tires, which of the following is not a problem?
Radial and bias-ply tires used together
4/32 inch tread depth on front tires
Too much air pressure
Cracked valve stems
7. When students are boarding the school bus, you should do all of the following except:
ask the students to board in pairs.
wait until students are seated before moving the bus.
monitor all mirrors continuously.
count the number of students at the bus stop and ensure all board the bus.
8. If your bus gets stuck on a railroad track, the students:
should be evacuated and stand near the bus.
should be evacuated and moved as far away from the tracks as possible.
should remain on the bus.
None of the above.
9. Before leaving a bus stop, you should:
walk through the bus and around the bus to look for open windows and doors.
walk through the bus to check for items left by students.
walk through the bus to check for sleeping students.
make sure no students are around or returning to the bus.
10. When driving in very hot weather, you may have to:
increase your speed until the tires cool off.
watch out for black ice.
decrease your following distance.
reduce your speed to prevent overheating.
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UT School Bus Test

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