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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 West Virginia school bus test, and you must also pass skills tests in a school bus. The WV 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 West Virginia CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this WV CDL practice test to prepare for the actual bus test!
1. When your route is finished, you should conduct a post-trip inspection of the bus. The inspection should include all of the following except:
Looking for damage or vandalism
Looking for articles left on the bus
Looking for sleeping students
Opening windows and doors
2. If your bus is equipped with a roof-mounted strobe light, you should use it:
whenever possible.
only at night.
when you have limited visibility.
only in an emergency.
3. If you realize you are going to be later to your destination than you expected, you should:
exceed the posted speed limit when no other vehicles are near.
speed up.
deal with it and accept the delay.
do your best to avoid the delay.
4. If you perform the skills test in a vehicle that is not equipped with air brakes:
you will be required to take the tank vehicle test.
you will be required to operate a CMV without hydraulic brakes.
you will be required to operate vehicles with air brakes.
you will be restricted from operating vehicles with air brakes.
5. The stop signal arm and flashing red signals of a school bus must be used only:
when the school bus is stopped on a street or highway to load or unload students.
in heavy rain.
in heavy traffic.
during sharp turns.
6. Which of the following is NOT true?
ABS will change the way you normally brake.
ABS only comes into play when a wheel would have locked up because of over braking.
ABS won't compensate for bad brakes.
ABS won't compensate for poor brake maintenance.
7. Service brakes should:
always be checked before applying the brakes.
be checked before each trip.
only be checked by a mechanic.
All of the above.
8. One way to prevent hydroplaning is to:
have less than 4/32 inch tread depth in every major groove on front tires.
use the controlled braking method.
take curves at higher speeds.
make sure you have enough tread on your tires.
9. Brake fade results from:
excessive smoke.
excessive use of the service brakes.
excessive wear.
excessive speeding.
10. When driving a school bus in strong winds, you should:
Avoid pulling off the road to wait.
Keep a strong grip on the steering wheel and try to anticipate gusts.
Speed up to get away from the wind as quickly as possible.
All of the above.
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WV CDL School Bus Test

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