What term describes the temperature at which a substance gives off flammable vapors?

Enhance your skills for the Aviation Machinist’s Mate (AD) Test. Use flashcards and multiple-choice quizzes with hints and explanations. Prepare effectively!

The term that describes the temperature at which a substance gives off flammable vapors is known as the flash point. This temperature is crucial for safety in handling and storing flammable materials, as it indicates the lowest temperature at which a liquid can vaporize to form an ignitable mixture in air.

When a liquid reaches its flash point, it emits enough vapor that, if there is an ignition source present, the vapors can ignite, causing a fire. The flash point is a key parameter in determining the hazard level of a substance and is used extensively in safety data sheets and fire regulations to guide handling practices and emergency responses.

The boiling point refers to the temperature at which a liquid turns into vapor but doesn’t necessarily reflect the flammability of the vapor produced. Ignition temperature is the minimum temperature required to ignite a substance without a spark, while the auto-ignition point is the temperature at which a substance will spontaneously ignite in air without any external ignition source. These terms cover different aspects of combustion and fire dynamics, but flash point specifically addresses the point where flammable vapors are generated.

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