Every how many months must school bus fire extinguishers be serviced?

Answer: B — 12 months

Fire extinguishers on school buses are crucial safety equipment that must be maintained regularly to ensure they function effectively in an emergency. The correct answer indicates that fire extinguishers should be serviced every 12 months. This annual servicing includes checks for proper pressure, physical condition, and functionality, as well as a complete inspection to ensure compliance with safety standards. By adhering to this timeline, school bus operators can help ensure that the extinguishers are always in optimal working condition, which is essential for the safety of students and staff. Regular servicing not only meets legal and regulatory requirements but also provides peace of mind that effective measures are in place to combat potentially dangerous situations.