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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. When you double your speed, the braking distance is:
4 times longer.
3 times longer.
the same.
2. Backing a school bus is:
strongly encouraged.
strongly discouraged.
always safe if you use caution.
3. Passive railroad crossings:
do not require you to stop.
do not have any type of traffic control device.
do not have yellow circular advance warning signs, pavement markings and crossbucks.
4. All stops should be approved by __________ prior to making the stop.
the bus driver
the school district
the department of transportation
5. If a drawbridge does not have a signal light or traffic control attendant, you should:
drive through the drawbridge with caution.
stop and look to make sure the draw is completely closed before crossing.
stop at least 5 feet before the draw of the bridge.
6. When students are boarding the school bus, you should do all of the following except:
count the number of students at the bus stop and ensure all board the bus.
ask the students to board in pairs.
monitor all mirrors continuously.
7. A vehicle inspection should be done in the same order each time:
because the report must be written in that order.
so you are less likely to forget something.
because it is required by law.
8. Air brakes use ________ to make the brakes work.
compressed gas cylinders
compressed air
compressed gases
9. When stopping, drivers should bring the school bus to a full stop with the front bumper at least ______ away from students at the bus stop.
50 feet
30 feet
10 feet
10. When a rider wants to board the bus with a car battery, you should:
check that the battery does not contain any gasoline.
not allow the car battery on the bus.
put the car battery at the back of the bus.
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MI CDL School Bus Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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