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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 Tennessee school bus test, and you must also pass skills tests in a school bus. The TN 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 Tennessee CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this TN CDL practice test to prepare for the actual bus test!
1. As you approach off ramps and on ramps, remember:
to maintain your highway speed.
that the posted speed limit may not be safe for larger vehicles.
that downgrades make it easier to reduce speed.
to always brake and turn at the same time.
2. If the drive wheels begin to spin when accelerating, you should:
set the parking brake.
take your foot off the accelerator.
continue to accelerate.
brake gently.
3. The most students are killed each year:
while getting on and off the bus.
in crashes involving buses and motorcycles.
as passengers inside of a school bus.
by drunk school bus drivers.
4. When driving in very hot weather, you may have to:
reduce your speed to prevent overheating.
decrease your following distance.
watch out for black ice.
increase your speed until the tires cool off.
5. Which of the following is a special danger of loading and unloading a bus?
Students may drop an object near the bus.
Students may disappear from the driver's sight.
Student clothing or accessories accessories may be caught in the handrail or door as they exit the bus.
All of the above.
6. ABS:
helps you increase your following distance.
helps you increase your average speed.
does not decrease your stopping distance.
improves your visibility at night.
7. Air brakes use ________ to make the brakes work.
compressed gas cylinders
compressed air
compressed oil
compressed gases
8. What should you be able to see if the outside convex mirrors are adjusted properly?
The entire area in front of the bus, the right and left front tires touching the ground, and the area from the front of the bus to the service door.
The area from the front of the bus to the service door and all of the students, including the heads of the students right behind you.
The entire side of the bus up to the mirror mounts, the front of the rear tires touching the ground, and at least 1 traffic lane on either side of the bus.
The top of the rear window in the top of the mirror, and all of the students.
9. School bus drivers should tell students to exit the bus and walk at least ______ from the side of the bus.
10 feet away
8 feet away
5 feet away
25 feet away
10. After starting the engine, the ABS light stays on. This means:
the ABS oil level is not adequate.
the ABS is in Neutral.
the ABS is working properly.
the ABS is not working properly.
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TN CDL School Bus Test

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