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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 Mississippi school bus test, and you must also pass skills tests in a school bus. The MS 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 Mississippi CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MS CDL practice test to prepare for the actual bus test!
1. Texting while operating a commercial motor vehicle is:
only allowed at night.
acceptable if you are contacting your dispacther.
acceptable if you are contacting your supervisor.
2. Skids caused by acceleration can usually be stopped by:
swerving to the right.
taking your foot off the accelerator.
applying the brakes firmly.
swerving to the left.
3. When driving in very hot weather, the heat will increase the chances of:
suspension system defects.
tire failure.
ABS malfunction.
loss of hydraulic pressure.
4. When checking the bus seats, make sure that:
they are safe for riders.
they are securely fastened to the bus.
they have not been damaged.
All of the above.
5. A disabled bus with passengers on board:
must be pushed by another bus.
should be towed or pushed to its destination with the passengers on board.
should not be towed or pushed, unless getting off the bus would be unsafe.
should always be towed or pushed to the nearest safe spot to discharge passengers.
6. Buses must never carry:
radioactive materials in the space occupied by people.
oxygen medically prescribed for, in the possession of a passenger, and in a container designed for personal use.
emergency hospital supplies.
All of the above.
7. The safety valve is usually set to open at:
200 psi.
150 psi.
100 psi.
75 psi.
8. Which of the following road surfaces freezes first?
Open roads
9. Rims with welding repairs:
are not safe.
can be used for tires in the front of the vehicle.
are acceptable only when carrying a heavy load.
can be used for tires in the rear of the vehicle.
10. To ensure passenger safety during loading and unloading, bus drivers should:
start and stop as smoothly as possible.
always ensure that passengers are safely on the bus before closing the door(s).
allow passengers enough time to sit down or brace themselves before departing.
All of the above.
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MS 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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