Question 21 of 30
Which firefighting agent is most effective in removing heat?
A
Carbon dioxide vapor stream
B
Dry chemical powder blanket throw
C
Water spray
D
Mechanical structural foam solution
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Answer & Explanation
The correct answer is Option C: Water spray.
Water spray, including water fog, is the most effective firefighting agent for removing heat from a fire. Its high latent heat of vaporization allows it to absorb a significant amount of thermal energy as it turns into steam.