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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 Massachusetts school bus test, and you must also pass skills tests in a school bus. The MA 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 Massachusetts CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MA CDL practice test to prepare for the actual bus test!
1. Hydroplaning is more likely if:
tire pressure is low.
the road is wet.
tire tread is worn.
All of the above.
2. For safety during a trip, you should:
shift into a lower gear.
drive on the shoulder of the road.
use your senses to check for problems.
pull off the road and stop.
3. All mirrors should be viewed in a logical sequence to ensure that:
the right and left front tires are touching the ground.
a child or object is not in any of the danger zones.
monitor passenger activity inside the bus.
direct vision and mirror view vision overlap.
4. The overhead inside rearview mirror:
is mounted above the windshield on the driver’s side area of the bus.
is used to monitor passenger activity inside the bus.
may provide limited visibility in the back of the bus if the bus is equipped with a glass-bottomed rear emergency door.
All of the above.
5. Buses may carry:
emergency hospital supplies.
small-arms ammunition labeled ORM-D.
All of the above.
6. Which of the following is not a rule for using turn signals?
Don't signal unless another vehicle is behind you
Cancel your signal after you have turned
Signal continuously
Signal early
7. As you approach off ramps and on ramps, remember:
that the posted speed limit may not be safe for larger vehicles.
to always brake and turn at the same time.
to maintain your highway speed.
that downgrades make it easier to reduce speed.
8. A vehicle inspection should be done in the same order each time:
so you are less likely to forget something.
because it's much quicker.
because the report must be written in that order.
because it is required by law.
9. When loading or unloading passengers, put the transmission:
in reverse.
in first gear.
in Neutral.
second gear.
10. When approaching an emergency vehicle stopped on the side of the road with lights flashing, you should:
speed up.
stay in the right lane.
move to the lane not next to that of the emergency vehicle.
yielding the right-of-way by coming to a complete stop.
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MA 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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