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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. Of all the space around your vehicle, the most important is:
All areas around the vehicle are equally important.
the area behind the vehicle.
the area ahead of the vehicle.
the area to the sides of the vehicle.
2. When your route is finished, you should conduct a post-trip inspection of the bus. The inspection should include all of the following except:
Opening windows and doors
Looking for sleeping students
Looking for articles left on the bus
Looking for damage or vandalism
3. Brake fade results from:
excessive smoke.
excessive wear.
excessive speeding.
excessive use of the service brakes.
4. A passive railroad crossing is one that:
does not have any type of traffic control device.
has at least two traffic control devices installed at the crossing to regulate traffic.
requires you to stop and wait until the traffic control device installed at the crossing tells you to proceed.
has a traffic control device installed at the crossing to regulate traffic.
5. School buses are:
one of the safest forms of transportation.
one of the fastest forms of transportation.
the most efficient vehicle on the road.
the slowest form of transportation.
6. Antifreeze:
helps the engine only under hot conditions.
helps the engine only when the temperature is below freezing.
doesn't help the engine in any way.
helps the engine under hot conditions as well as cold conditions.
7. Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
Clear reflections
Tire splashes
Raindrops on the road
All of the above.
8. If you are loading students along the route and cannot account for a student, you should:
secure the bus, take the key and check around and underneath the bus.
secure the bus, adjust the mirrors and prepare to leave.
ask other students if they saw the missing students.
call the relevant authorities.
9. To know if your vehicle is equipped with ABS, look for:
the ABS shipping paper.
the ABS logo on the steering wheel.
an ABS placard.
a yellow ABS malfunction lamps on the instrument panel.
10. If driving a new vehicle, you should familiarize yourself with the controlsĀ and equipment:
within the first 50 miles.
after pulling into a service station.
as you drive.
before you start driving.
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MS 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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