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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 New Hampshire school bus test, and you must also pass skills tests in a school bus. The NH 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 New Hampshire CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this NH CDL practice test to prepare for the actual bus test!
1. It is safer to drive over (rather than to avoid) which of the following?
Plastic containers
Paper and cloth sacks
Cardboard boxes
None of the above.
2. When inspecting your bus, make sure that:
emergency exit handles are in safe working condition.
signaling devices are working.
seats are safe for riders.
all of the above have been checked.
3. When approaching an emergency vehicle stopped on the side of the road with lights flashing, you should:
speed up.
move to the lane not next to that of the emergency vehicle.
stay in the right lane.
yielding the right-of-way by coming to a complete stop.
4. Before starting down a hill, you should slow down and shift down:
to a gear that will cause your brakes to overheat.
to a gear that will cause your engine to exceed its redline.
to a speed that you can control without using the brakes hard.
so you can coast downhill.
5. If your bus gets stuck on a railroad track, you should:
lead students across the tracks, and have them stand at least 100 feet off tracks.
keep students on the bus and call for help.
keep students on the bus and contact your dispatcher to explain the situation.
lead students as far away from the tracks as possible, in the direction of any oncoming train.
6. What factors can cause brakes to fail or fade?
Not relying on the engine braking effect
Excessive use of the service brakes
Brakes out of adjustment
All of the above.
7. When a tire suddenly blows out while you are driving, what should you do first?
Hold the steering wheel firmly and stay off the brakes.
Use the parking brake.
Use controlled or stab braking.
Brake lightly and hold the steering wheel firmly.
8. Air brakes use ________ to make the brakes work.
compressed gases
compressed air
compressed oil
compressed gas cylinders
9. You should adjust the outside left and right side flat mirrors so you can see:
the right and left front tires touching the ground.
the rear tires touching the ground.
400 feet behind the bus.
All of the above.
10. Before crossing railroad tracks you should:
stop no closer than 100 feet from the nearest rail.
place the transmission in first gear.
stay to the left of the roadway if possible.
open the service door and driver's window to look and listen for approaching trains.
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NH School Bus Test

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