Emergency Vehicle Technician (EVT) F-3 Practice Exam

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In ambulance service, what steps must be taken to safely handle and store oxygen cylinders when performing maintenance on the vehicle?

Leave cylinders loose on the floor.

Store horizontally in the engine bay.

Secure upright in approved racks, cap valves, keep away from heat sources, segregate by gas type, label properly, and ventilate storage area.

Safely handling oxygen cylinders during maintenance centers on securing and organizing them to prevent tipping, damage, and fire risk, while keeping the storage area ventilated and properly labeled. Oxygen cylinders should be secured upright in approved racks or restraints, with the valve cap in place to protect the valve from impact. They must be kept away from heat sources, flames, and other ignition risks because oxygen supports combustion and high temperatures can increase pressure and hazard potential. Cylinders should be segregated by gas type and clearly labeled so contents aren’t confused or misused, and the storage area should be well ventilated to help prevent buildup of any leaked gas and reduce fire risk.

Leaving cylinders loose on the floor is unsafe because they can roll, a valve can be injured, and movement during service can cause accidents. Storing horizontally in the engine bay is unstable and not suitable for venting or valve protection. Sharing cylinders with passengers is dangerous and against safety protocols.

Share cylinders with passengers.