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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. Even if you are not required to always stop at railroad crossings and you are sure no train is approaching, you must stop before reaching the crossing if:
you can drive completely through the crossing without stopping.
the tracks are not clear.
there is oncoming traffic.
there is no oncoming traffic.
2. If the road is icy, you should:
reduce speed to a crawl and stop driving as soon as you can safely do so.
maintain your current speed and stop driving as soon as you can safely do so.
put the transmission in neutral and stay off the brake until the vehicle has slowed down, then pull off the road and stop.
All of the above.
3. If your bus has a manual transmission, when crossing railroad tracks you should never:
listen and look in both directions for trains.
change gears.
use your brakes.
proceed carefully.
4. The header board, if equipped, should:
can be dangerous.
never be used for cargo.
not be used in case of a crash or emergency stop.
block the forward movement of any cargo you carry.
5. The blind spot for outside left and right side flat mirrors is:
to the left of each mirror.
behind each mirror.
above each mirror.
immediately below and in front of each mirror.
6. If you doubt you have enough space to pass under a bridge, you should:
drive faster.
turn on your headlights.
go slowly.
turn on your 4-way emergency flashers.
7. When unloading students at the school, you should:
leave the driver's compartment and keeping the key in the ignition.
close the door and release the parking brake.
secure the bus by turning off the ignition switch.
have the students stand until told to exit.
8. Brake fade results from:
excessive use of the service brakes.
excessive wear.
excessive speeding.
excessive smoke.
9. When a rider wants to board the bus with a car battery, you should:
put the car battery at the back of the bus.
put the car battery in the aisle.
check that the battery does not contain any gasoline.
not allow the car battery on the bus.
10. The heavier the vehicle:
the more work the brakes must do to stop it.
the higher the center of gravity will be.
the less work the brakes must do to stop it.
None of the above.
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IN CDL 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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