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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 Alaska school bus test, and you must also pass skills tests in a school bus. The AK 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 Alaska CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this AK CDL practice test to prepare for the actual bus test!
1. When passing a parked vehicle, which of the following is the only thing you do NOT need to watch out for?
Lights coming on
Passenger door opening
Wheels starting to turn
2. If you are being tailgated, you should:
increase your speed very gradually.
make quick changes.
open up room in front of you.
3. When you are about to pass a vehicle, you should:
assume they don't see you.
slow down.
make gestures.
4. When approaching a school bus stop, you should activate alternating flashing amber warning lights at least ________ before the stop or in accordance with state law.
100 feet or approximately 3–5 seconds
200 feet or approximately 5–10 seconds
400 feet or approximately 10-20 seconds
5. Properly adjusted outside left and right side flat mirrors should allow the driver to see:
at least 1 traffic lane on either side of the bus.
the front tires touching the ground.
the rear tires touching the ground.
6. The overhead inside rearview mirror is used to:
monitor passenger activity inside the school bus.
perform a safe stop at designated unloading areas.
monitor the blind spot area directly behind the driver’s seat.
7. When changing lanes, you should:
do it quickly so other vehicles won't get into the lane.
turn sharply.
do it slowly, so a driver you did not see may have a chance to honk their horn.
8. Emergency roof hatches:
must never be opened while driving.
may be partially opened for fresh air.
should be left opened as a regular practice.
9. Proper adjustment and use of all mirrors is vital to the safe operation of a school bus:
in order to monitor the danger zones around the bus for students, traffic, and other objects.
in order to see 500 feet or 10 bus lengths behind the bus.
in order to have the students exit in orderly fashion.
10. When a tire suddenly blows out while you are driving, what should you do first?
Brake lightly and hold the steering wheel firmly.
Hold the steering wheel firmly and stay off the brakes.
Use controlled or stab braking.
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AK School Bus CDL Test

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