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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 Indiana school bus test, and you must also pass skills tests in a school bus. The IN 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 Indiana CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this IN CDL practice test to prepare for the actual bus test!
1. When inspecting the vehicle, make sure that:
if equipped, the stop arm is mounted  securely  to  the  frame  of  the  vehicle.
all internal and external mirrors and mirror brackets are not damaged.
all emergency exits are not damaged.
All of the above.
2. When driving at night, to avoid glare from oncoming vehicles you should:
look directly at lights of oncoming vehicles.
put your own high beams on when other drivers do not put their low beams on.
look slightly to the right at a right lane or edge marking.
wear sunglasses.
3. If your bus leans toward the outside on a banked curve:
you are driving too fast.
you are braking too hard.
you are driving too slow.
you are turning too soon.
4. Antifreeze:
helps the engine only under hot conditions.
doesn't help the engine in any way.
helps the engine under hot conditions as well as cold conditions.
helps the engine only when the temperature is below freezing.
5. Bus drivers:
must wear a seat belt at all times.
are exempt from wearing a seat belt.
are required to wear a seat belt only when driving in construction zones.
are required to wear a seat belt only when transporting passengers.
6. When doing a school bus inspection, school bus drivers must also check:
the alternately flashing red lights indicator.
the emergency kit.
the strobe light, if equipped.
All of the above.
7. When unloading students, you should:
have the students remain seated until told to exit.
invite the students to head toward the door while the bus is still moving.
get off the bus and stand right next to it.
None of the above.
8. School buses:
are never equipped with ABS.
are only equipped with ABS if built after March 2010.
may be equipped with ABS.
are only equipped with ABS when transporting students.
9. If your vehicle has power steering, during your pre-trip external inspection you must check that:
the engine rpm is down close to idle.
there's a function light.
there are no power steering fluid leaks or damage to the power steering hoses.
there are 2 lit red lights indicating it's there.
10. The most students are killed each year:
as passengers inside of a school bus.
while getting on and off the bus.
in crashes involving buses and motorcycles.
by drunk school bus drivers.
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IN 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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