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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. What should you do if your vehicle starts hydroplaning?
Release the accelerator and push in the clutch to let the wheels turn freely.
Leave the road completely.
Apply the brakes and countersteer to regain control of the vehicle.
Accelerate slightly, then push in the clutch to slow down.
2. School bus drivers must check that the entry door is not damaged and:
operates smoothly and closes securely from the inside.
operates smoothly and closes securely from the outside.
trailer air connectors are sealed.
None of the above.
3. The posted speed for a curve:
is safe for all vehicles except motorcycles.
is always safe for all vehicles.
may not be safe for a bus.
is safe for a bus.
4. If the ABS is not working:
the vehicle will have no brakes.
the vehicle will have weak brakes.
you still have normal brake functions.
None of the above.
5. ABS malfunction lamps are located:
on the driver'door.
under the hood.
on the instrument panel.
None of the above.
6. After stopping, you should:
Activate the alternating amber lights and ensure the stop arm is extended.
Have the students board the school bus as quickly as possible.
Activate the alternating red lights and ensure the stop arm is extended.
Turn on the right turn signal indicator.
7. When doing a school bus inspection, school bus drivers must also check:
the strobe light, if equipped.
the emergency kit.
the alternately flashing red lights indicator.
All of the above.
8. Passive railroad crossings:
do not have any type of traffic control device.
do not require you to stop.
do not have yellow circular advance warning signs, pavement markings and crossbucks.
All of the above.
9. Carry-on baggage:
should not be left in the aisle.
must be left in the aisle.
may be left in the aisle.
None of the above.
10. School bus drivers should tell students to exit the bus and walk at least ______ from the side of the bus.
8 feet away
5 feet away
10 feet away
25 feet away
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UT School Bus Test

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