Which of the following conditions must be met for a fire to occur? 1. Temperature high enough for combustion 2. Presence of O2 3. Presence of flammable material
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
ANS: D
For a fire to start, three conditions must exist: (1) flammable material must be present, (2) O2 must be present, and (3) the flammable material must be heated to or above its ignition tempera-ture.
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