Best answer: What is the primary way that water extinguishes fire?

The primary way water extinguishes fire is by: absorbing heat. The energy required to raise the temperature of a substance by one degree is called: Specific Heat.

What are the three ways that water extinguishes fire quizlet?

How does water extinguish fires? By absorbing the heat, COOLING the burning material below its ignition temperature. Water vaporizes to steam, absorbing additional heat.

What is the primary way that water extinguishes fire group of answer choices?

The primary way water extinguishes fire is by: Absorbing heat.

Which nozzle produces a compact stream?

40 Cards in this Set

Which hoseline size is used to supply a handline stream? 1½- to 3-inch (38 mm to 77 mm) hoselines
Which nozzle produces a compact stream with little shower or spray? Smooth bore nozzle

Which type of nozzle can be used to effectively access fires in concealed spaces?

Which type of nozzle can be used to effectively control fires in concealed spaces? Alcohol-resistant foams are specially developed for polar solvents and ethanol-based fuels. When applying foam to a pool of liquid fuel, the operator continues to apply foam until it spreads across the entire surface of the fuel.

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What is the primary way water extinguishes fire quizlet?

The primary way water extinguishes fire is by: absorbing heat. The energy required to raise the temperature of a substance by one degree is called: … Steam produced in the upper layer of hot smoke and fire gases will cause the upper layer to contract toward the ceiling.

What causes a water stream to break up into smaller droplets?

As the water falls, it accelerates due to gravity, so the water that exits the tap first, pulls away from the water that falls behind it. This causes the stream to stretch, then finally break into droplets.

What is the best reason for removing contents from a structure during salvage procedures?

What is the BEST reason for removing contents from a structure during salvage procedures? When salvage operations are performed and contents are removed from the structure, the salvage operations may: interfere with suppression and ventilation crews using the same doors.

What is one advantage of the Minuteman load?

I feel like the minute man load is the most versatile load because it affords the firefighter pulling the line many options once the load is shouldered and stretched. If the building set back is short or long, they have options, if there are trees, fences, or cars to navigate around; they have options.

What are the three main functions of nozzles and broken stream delivery?

Its readily available, inexpensive, it’s heat absorbing capacity, and can be applied in various ways. 3 main functions of nozzles and broken stream delivery devices? Controlling water flow, creating reach, and shaping the fire stream.

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What are fire streams?

Fire streams are used to reduce the heat from a fire and provide protection to firefighters and exposures. … A fire stream is a stream of water between the fire nozzle and the target.

Tame a raging fire