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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 Minnesota school bus test, and you must also pass skills tests in a school bus. The MN 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 Minnesota CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MN CDL practice test to prepare for the actual bus test!
1. When driving in heavy traffic, the safest speed is:
the speed of traffic.
slower than the speed of other traffic.
the posted speed limit.
slightly higher than the speed of other traffic.
2. A passive railroad crossing is one that:
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.
does not have any type of traffic control device.
has a traffic control device installed at the crossing to regulate traffic.
3. When driving a school bus in strong winds, you should:
Speed up to get away from the wind as quickly as possible.
Keep a strong grip on the steering wheel and try to anticipate gusts.
Avoid pulling off the road to wait.
All of the above.
4. The heavier the vehicle:
the higher the center of gravity will be.
the less work the brakes must do to stop it.
the more work the brakes must do to stop it.
None of the above.
5. Drivers should adjust their mirrors:
before driving.
while driving.
after driving.
None of the above.
6. If your bus leans toward the outside on a banked curve:
you are driving too fast.
you are turning too soon.
you are braking too hard.
you are driving too slow.
7. When going down a hill, you should downshift:
as you go downhill.
after starting down a hill.
at the bottom of the hill.
before you start going downhill.
8. Before driving your bus, you must:
review the inspection report.
clean the interior.
ensure the emergency exit door is open.
All of the above.
9. Buses must never carry:
radioactive materials in the space occupied by people.
emergency hospital supplies.
oxygen medically prescribed for, in the possession of a passenger, and in a container designed for personal use.
All of the above.
10. You should use the overhead inside rearview mirror to:
see the front bumper "danger zone" area in front of the bus.
see what is happening on the bus.
to monitor traffic and check clearances.
to monitor the left and right sides of the bus at a wide angle.
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MN CDL School Bus Test

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