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CDL School Bus (S) Endorsement Test

Danger zones and mirrors: practice questions

Our CDL School Bus bank has 24 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1

Where are the outside flat mirrors mounted?

  1. On the front bumper
  2. Above the rear emergency door, facing forward into the bus
  3. At the left and right front corners of the bus
  4. Inside, above the windshield
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C. At the left and right front corners of the bus — These mirrors are mounted at the left and right front corners of the bus at the side or front of the windshield (CDL Manual 10.1.3)

Question 2

Which part of the front danger zone is the most dangerous?

  1. The area 20 to 30 feet ahead
  2. The far edge of the zone
  3. The area beside the mirrors
  4. The first 10 feet
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D. The first 10 feet — The danger zones may extend as much as 30 feet from the front bumper with the first 10 feet being the most dangerous (CDL Manual 10.1.1)

Question 3

What should the direct view and the crossover mirror view do?

  1. Overlap
  2. Show exactly the same thing
  3. Never be used together
  4. Leave a gap between them
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A. Overlap — Direct vision and mirror view vision should overlap (CDL Manual 10.1.5)

Question 4

Besides 200 feet behind the bus, what should the flat mirrors show?

  1. The service door and stairwell
  2. The sides of the bus and the rear tires on the ground
  3. The front bumper, the service door and both of the front tires
  4. The top of the rear window
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B. The sides of the bus and the rear tires on the ground — Flat mirrors should show 200 feet or 4 bus lengths behind, along the sides of the bus, and the rear tires touching the ground (CDL Manual 10.1.3)

Question 5

What is the overhead inside mirror used for?

  1. Watching traffic 200 feet behind the bus
  2. Watching the riders inside the bus
  3. Checking the stop arm
  4. Seeing the front bumper
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B. Watching the riders inside the bus — This mirror is used to monitor passenger activity inside the bus (CDL Manual 10.1.6)

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