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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 Nevada school bus test, and you must also pass skills tests in a school bus. The NV 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 Nevada CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this NV CDL practice test to prepare for the actual bus test!
1. Escape ramps:
are used to safely leave the highway.
can only be used by trucks or passenger vehicles.
have been built to stop runaway vehicles on steep downgrades.
All of the above.
2. If your bus is equipped with a roof-mounted strobe light, you should use it:
whenever possible.
only in an emergency.
when you have limited visibility.
only at night.
3. In vehicles with air brakes, the air compressor governor:
controls when the air storage tanks will pump air into the air compressor.
controls how much air the air compressor will pump into the air storage tanks.
controls when the air compressor will pump air into the air storage tanks.
None of the above.
4. Backing a school bus is:
usually encouraged.
strongly discouraged.
always safe if you use caution.
strongly encouraged.
5. To ensure rider safety, bus drivers should always check the interior of the bus before driving. Aisles and stairwells should always be:
reserved for seniors.
6. When approaching a traffic light that has been green for a long time, you should:
speed up to get through the light.
maintain your current speed.
start slowing down and be ready to stop.
None of the above.
7. Before leaving a bus stop, you should:
walk through the bus to check for items left by students.
walk through the bus and around the bus to look for open windows and doors.
make sure no students are around or returning to the bus.
walk through the bus to check for sleeping students.
8. ABS:
helps you increase your average speed.
does not decrease your stopping distance.
helps you increase your following distance.
improves your visibility at night.
9. When driving in fog, drivers should:
use high beams.
use the windshield wipers.
use windshield washer antifreeze.
use low beams.
10. The stop signal arm and flashing red signals of a school bus must be used only:
in heavy traffic.
when the school bus is stopped on a street or highway to load or unload students.
during sharp turns.
in heavy rain.
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NV CDL School Bus Test

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