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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. When a tire suddenly blows out while you are driving, what should you do first?
Hold the steering wheel firmly and stay off the brakes.
Use controlled or stab braking.
Use the parking brake.
Brake lightly and hold the steering wheel firmly.
2. When passing a parked vehicle, which of the following is the only thing you do NOT need to watch out for?
Wheels starting to turn
Passenger door opening
Lights coming on
Driver's door opening
3. To avoid a hazard:
steering away from what is ahead may be the best thing to do.
changing lanes is always the best thing to do.
stopping is always the best thing to do.
driving on the shoulder of the road is always the best thing to do.
4. Properly adjusted outside mirrors should allow school bus drivers to see _______ behind the bus.
3 bus lengths
1 bus length
2 bus lengths
4 bus lengths
5. Buses must never carry:
radioactive materials in the space occupied by people.
emergency hospital supplies.
oxygen medically prescribed for, in the possession of a passenger, and in a container designed for personal use.
All of the above.
6. Carry-on baggage should be placed:
in a way that allows passengers to exit by any window or door in an emergency.
in the aisle.
below the bus.
All of the above.
7. The safety valve is usually set to open at:
100 psi.
75 psi.
200 psi.
150 psi.
8. To know if your vehicle is equipped with ABS, look for:
the ABS logo on the steering wheel.
a yellow ABS malfunction lamps on the instrument panel.
an ABS placard.
the ABS shipping paper.
9. If your school bus is equipped with ABS, it will have:
an ABS certification on the driver’s side area of the bus.
a red ABS malfunction lamp on the instrument panel.
a yellow ABS malfunction lamp on the instrument panel.
None of the above.
10. A disabled bus with riders aboard the vehicle:
should not be towed or pushed, unless getting off would be unsafe.
should be abandoned immediately.
should only be pushed or towed by another bus.
should be towed or pushed, unless staying on the bus would be unsafe.
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NV CDL 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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