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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 Michigan school bus test, and you must also pass skills tests in a school bus. The MI 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 Michigan CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MI CDL practice test to prepare for the actual bus test!
1. What should you be able to see if the outside convex mirrors are adjusted properly?
The entire side of the bus up to the mirror mounts, the front of the rear tires touching the ground, and at least 1 traffic lane on either side of the bus.
The top of the rear window in the top of the mirror, and all of the students.
The entire area in front of the bus, the right and left front tires touching the ground, and the area from the front of the bus to the service door.
2. At railroad crossings, you must stop no closer than ___ feet and no farther than ___ feet from the nearest rail.
50; 100
25; 75
15; 50
3. School bus drivers must check that the entry door is not damaged and:
trailer air connectors are sealed.
operates smoothly and closes securely from the outside.
operates smoothly and closes securely from the inside.
4. When students board, you should:
close the door.
count the number of mirrors.
check all mirrors.
5. If you cannot make a right turn without entering another traffic lane, you should:
turn wide as you complete the turn.
swing wide to the left before starting the turn.
turn wide before you start the turn.
6. The area to the left of the bus is always considered dangerous because of:
blind spots.
parked vehicles.
passing vehicles.
7. If a student drops something in front of the bus, the student should:
pick up the object as quickly as possible.
leave the item where it fell, and get the driver's attention and permission to retrieve the item.
ask the driver to retrieve the item.
8. One way to prevent hydroplaning is to:
have less than 4/32 inch tread depth in every major groove on front tires.
make sure you have enough tread on your tires.
take curves at higher speeds.
9. A school bus driver must evacuate the bus when:
the bus is stalled on a railroad crossing.
the ABS is not working properly.
you have pull off the road and stop.
10. When dealing with a drunk or disruptive rider, you must:
ensure the rider's safety, as well as that of others.
discharge the disruptive rider immediately.
take this rider to the closest police department.
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MI 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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