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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 Connecticut school bus test, and you must also pass skills tests in a school bus. The CT 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 Connecticut CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this CT CDL practice test to prepare for the actual bus test!
1. If the drive wheels begin to spin when accelerating, you should:
brake gently.
continue to accelerate.
take your foot off the accelerator.
set the parking brake.
2. Properly adjusted outside convex mirrors should allow school bus drivers to see:
the entire side of the bus up to the mirror mounts.
the area from the front of the bus to the service door.
the entire area in front of the bus.
all of the students.
3. The safety valve is usually set to open at:
100 psi.
200 psi.
150 psi.
75 psi.
4. School bus drivers should position the outside convex mirrors to see:
the area from the front of the bus to the service door.
the right and left front tires touching the ground.
the top of the rear window.
the front of the rear tires touching the ground.
5. When checking tires, which of the following is not a problem?
Cracked valve stems
Radial and bias-ply tires used together
Too much air pressure
4/32 inch tread depth on front tires
6. One way to prevent hydroplaning is to:
take curves at higher speeds.
have less than 4/32 inch tread depth in every major groove on front tires.
use the controlled braking method.
make sure you have enough tread on your tires.
7. When you are being tailgated, you should:
increase your following distance.
flash your brake lights.
signal the tailgater when it's safe to pass you.
All of the above.
8. When driving in fog, drivers should:
use windshield washer antifreeze.
use the windshield wipers.
use high beams.
use low beams.
9. The standee line is:
a line on the floor of the bus showing riders where the driver cannot stand.
is a line that passengers must stand on.
a line on the floor of the bus showing the driver where the riders cannot stand.
a line on the floor of the bus showing riders where they cannot stand.
10. Before driving your bus, you must:
clean the interior.
ensure the emergency exit door is open.
review the inspection report.
All of the above.
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CT 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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