Fire Officers Handbook of Tactics Practice Test

Question: 1 / 400

How many gallons of steam can one gallon of water expand to when fully vaporized?

1000-1500 gallons

1500-2000 gallons

When one gallon of water is fully vaporized, it can expand to approximately 1,600 gallons of steam. This considerable expansion occurs due to the dramatic increase in volume when water transitions from a liquid to a gaseous state. Understanding this expansion is crucial for fire officers, as it highlights the effectiveness of water in firefighting operations. The large volume of steam produced can displace oxygen in a fire environment and help suppress flames, demonstrating the importance of water as a firefighting agent.

The correct choice reflects the accurate scientific principle regarding the vaporization of water and its expansion into steam, which is essential knowledge for effective firefighting strategies and tactics.

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2000-2500 gallons

2500-3000 gallons

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