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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. The stop signal arm and flashing red signals of a school bus must be used only:
in heavy rain.
when the school bus is stopped on a street or highway to load or unload students.
in heavy traffic.
during sharp turns.
2. To prevent getting sleepy while driving, you should:
close the vent.
keep the cab warm.
drive alone whenever possible.
keep cool by opening the window.
3. After an accident, an improper use of flares could cause:
a fire if spilled fuel is on the ground.
air pressure to build from 50 to 100 psi within 2 minutes.
the vehicle to slide back and forth.
the springs to put on the brakes.
4. Which of the following is a special danger of loading and unloading a bus?
Students may drop an object near the bus.
Students may disappear from the driver's sight.
Student clothing or accessories accessories may be caught in the handrail or door as they exit the bus.
All of the above.
5. Properly adjusted outside left and right side flat mirrors should allow the driver to see:
at least 1 traffic lane on either side of the bus.
the front bumper.
the front tires touching the ground.
the rear tires touching the ground.
6. The driver MUST evacuate the bus when:
the position of the bus may change and increase the danger.
there is a threat of a fire.
there is an imminent danger of an accident.
All of the above.
7. How does ABS help you?
ABS replaces your normal brakes and helps you  to stop faster.
ABS makes stab braking more effective.
ABS helps you avoid wheel lock up and maintain control when you brake hard on slippery surfaces.
ABS always shortens your stopping distance.
8. If the road is icy, you should:
reduce speed to a crawl and stop driving as soon as you can safely do so.
maintain your current speed and stop driving as soon as you can safely do so.
put the transmission in neutral and stay off the brake until the vehicle has slowed down, then pull off the road and stop.
All of the above.
9. When students load and unload, what should the driver do?
plan the route.
supervise the process.
ask the students to be quick.
All of the above.
10. When going down a hill, you should downshift:
at the bottom of the hill.
as you go downhill.
before you start going downhill.
after starting down a hill.
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MS School Bus CDL 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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