FAA Powerplant Written Practice Test 2025 – Complete Exam Prep

Question: 1 / 1165

According to FAA-H-8083-32-ATB, what are the fire extinguisher container pressure limits at 40°F?

300 psi minimum and 450 maximum

350 psi minimum and 500 maximum

448 psi minimum and 598 maximum

The correct answer reflects the established pressure limits for fire extinguisher containers as specified in FAA-H-8083-32-ATB. At a temperature of 40°F, the minimum pressure requirement for fire extinguisher containers is set at 448 psi, while the maximum limit is capped at 598 psi. These specifications are crucial for ensuring the effective operation of fire extinguishers and maintaining their safety features.

The pressure levels are determined based on the characteristics of the extinguishing agent and the materials used in the container construction. Manufacturing standards specify these limits to avoid the risk of container failure or ineffective operation. Therefore, understanding these pressure thresholds aligns with maintaining safety protocols related to fire extinguishers on aircraft, where reliable emergency equipment is paramount.

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500 psi minimum and 650 maximum

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