25 free practice questions for this exam, each with the reason for the answer and where to look it up.
10 questions, graded as you go, with the reason for every answer. No sign-up.
| Exam | School bus endorsement (S) |
|---|---|
| Who runs it | State DMVs |
| Where | United States |
Question count, time limit and pass mark differ by where you take it. Check the official candidate bulletin from the organisation that runs your exam.
How far can the danger zone extend out from the left and right sides of a school bus?
C. 10 feet
The danger zones extend about 10 feet from each side and 10 feet behind the rear bumper. In front they may extend as much as 30 feet, with the first 10 feet the most dangerous.
Reference: AAMVA CDL Manual, Section 10.1
When the outside flat mirrors are adjusted correctly, how far behind the bus should you be able to see?
A. 200 feet, or about 4 bus lengths
The flat mirrors should show 200 feet, or four bus lengths, behind the bus, along with the sides of the bus and the rear tires touching the ground.
Reference: AAMVA CDL Manual, Section 10.1
The outside convex mirrors, mounted below the flat mirrors, should let you see:
D. At least one traffic lane on each side of the bus
Convex mirrors give a wide-angle view of the whole side of the bus, the front of the rear tires touching the ground and at least one traffic lane on either side. The area ahead of the bumper is covered by the crossover mirrors.
Reference: AAMVA CDL Manual, Section 10.1
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