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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. At railroad crossings, you must stop no closer than ___ feet and no farther than ___ feet from the nearest rail.
15; 50
25; 75
20; 40
50; 100
2. In vehicles with air brakes, the air compressor governor:
controls when the air storage tanks will pump air into the air compressor.
controls how much air the air compressor will pump into the air storage tanks.
controls when the air compressor will pump air into the air storage tanks.
None of the above.
3. The header board, if equipped, should:
not be used in case of a crash or emergency stop.
block the forward movement of any cargo you carry.
never be used for cargo.
can be dangerous.
4. The area to the left of the bus is always considered dangerous because of:
parked vehicles.
passing pedestrians.
passing vehicles.
blind spots.
5. Which of the following is NOT true?
ABS won't compensate for poor brake maintenance.
ABS won't compensate for bad brakes.
ABS will change the way you normally brake.
ABS only comes into play when a wheel would have locked up because of over braking.
6. In an emergency, before making a decision to evacuate the school bus, if time permits you should:
release the parking brake.
count the number of students.
contact your dispatcher to explain the situation.
tell students to walk at least 10 feet away when they exit the bus.
7. When crossing railroad tracks, you should:
try to pass slower vehicles.
shift gears while crossing the tracks.
not stop.
put the transmission in Neutral.
8. After an accident, an improper use of flares could cause:
a fire if spilled fuel is on the ground.
the springs to put on the brakes.
air pressure to build from 50 to 100 psi within 2 minutes.
the vehicle to slide back and forth.
9. Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
change direction
sound their horn
slow down and change lanes
10. ABS:
keeps your wheels from locking up during hard brake applications.
allows you to drive faster.
always shortens your overall stopping distance.
helps increase brake pressure.
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NH CDL Bus Test

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