School Bus Endorsement S 4 Flashcards
6 cards from real CDL practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 School Bus Endorsement S 4 flashcards as text
When securing the emergency door on a school bus during a pre-trip inspection, the driver should verify that the emergency door alarm is ________.
Answer: functional and sounds when the door is opened
Federal regulations require that school bus emergency door alarms be operational so the driver is immediately alerted if the door is opened while the bus is in motion.
Before a school bus driver may move the bus with students on board, the driver must first ________.
Answer: confirm all students are seated and the entry door is closed
The driver must ensure all passengers are seated and the entry door is fully closed before moving, which is a core safety requirement for student transport.
When a school bus driver activates the alternating flashing red lights, other vehicles are required to ________.
Answer: stop and remain stopped until the lights are turned off
Alternating flashing red lights signal that students are loading or unloading; all vehicles in both directions must stop and remain stopped until the lights are deactivated.
The danger zone around a school bus is generally defined as the area within ________ feet of the bus in all directions.
Answer: 10
The danger zone extends 10 feet around all sides of the school bus, where students are at greatest risk of not being seen by the driver.
If a school bus stalls on a railroad crossing with students aboard, the driver should ________.
Answer: evacuate students and move them away from the tracks at a 45-degree angle
When a bus is stalled on railroad tracks, students must be evacuated immediately and moved at a 45-degree angle away from the tracks in the direction of any oncoming train to stay clear of debris.
During a school bus pre-trip, a driver checks the tires and finds one steer axle tire has a tread depth of 3/32 of an inch. This tire is ________.
Answer: unacceptable; steer axle tires require a minimum of 4/32 of an inch
Federal Motor Carrier Safety Regulations require a minimum tread depth of 4/32 of an inch on steer axle tires, so 3/32 is below the legal limit and the bus must not be driven.