ASIS International (ASIS) Professional Certified Investigator Practice Exam

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In the context of pyrotechnics, what does the term "ignition" refer to?

The lighting of a fuse

In the context of pyrotechnics, "ignition" specifically refers to the process that initiates the combustion of a material, which in many cases involves lighting a fuse. This fuse serves as the mechanism that leads to the ignition of the pyrotechnic device, creating the necessary conditions for combustion to occur. When the fuse is lit, it produces heat, which then triggers a larger reaction within the pyrotechnic composition.

While the other options relate to aspects of combustion and explosive reactions, they do not accurately describe the initial process of ignition. The explosion of an accelerant and the energy released during combustion are subsequent reactions that follow the ignition stage. The chemical reaction leading to fire encompasses the entirety of the combustion process, rather than just the moment of initiation. Therefore, the lighting of a fuse is the most precise definition of "ignition" in this context.

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The explosion of an accelerant

The energy released during combustion

The chemical reaction leading to fire

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