What does the green arc on the extinguisher’s pressure gauge indicate during preflight?

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Study for the CommuteAir Flight Attendant Ground Training Test. Get to know the emergency equipment and operations with well-curated practice questions and answers. Prepare thoroughly for your certification!

Multiple Choice

What does the green arc on the extinguisher’s pressure gauge indicate during preflight?

Explanation:
The green arc shows the normal, acceptable pressure range for the extinguisher. If the needle sits inside that green band, the unit is charged and ready for use; it means the pressure is neither too low to function nor too high to be unsafe. This is the quick visual check used during preflight to confirm the extinguisher will perform as needed in an emergency. If the needle is outside the green arc, it indicates a problem—low pressure means it may not discharge properly, while being outside the range can point to overpressure or other issues requiring service.

The green arc shows the normal, acceptable pressure range for the extinguisher. If the needle sits inside that green band, the unit is charged and ready for use; it means the pressure is neither too low to function nor too high to be unsafe. This is the quick visual check used during preflight to confirm the extinguisher will perform as needed in an emergency. If the needle is outside the green arc, it indicates a problem—low pressure means it may not discharge properly, while being outside the range can point to overpressure or other issues requiring service.

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