The primary way water extinguishes fire is by
WebbA. The pattern type must be correctly matched to the pattern size. B. The pattern must supply at least 50 percent of the critical flow rate. C. The pattern must be compact enough for the water to reach the burning material. D. The pattern must maintain its shape at least 50 percent of the reach of the fire stream. C. WebbThe primary way water extinguishes fire is by excluding oxygen from the fuel (smothering). (944) A. True B. False __________ 2. To prevent water hammer, valves, nozzles, and hydrants should be closed slowly. (949) A. True B. False __________ 3.
The primary way water extinguishes fire is by
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WebbThe primary way is by cooling, which removes the heat from the fire. Another way water extinguishes fire is by smothering. Water has the ability to absorb large quantities of heat. Amounts of heat transfer are measured in terms of British thermal units (Btu) or in joules (lBtu = 1 055 J or 1.055 kJ). WebbThe primary way water extinguishes fire is by removing the heat by absorbing it. This puts the fire out. Water has strong molecular bonds, and will not breakdown into oxygen and …
WebbWater cools the combustible material so that its temperature is brought below the ignition temperature. This prevents the fire from spreading. Water vapour also surrounded the combustible material helping in cutting off the supply of air. So, the fire is extinguished. Hence, the correct option is A Was this answer helpful? 0 0 Similar questions WebbStudy with Quizlet and memorize flashcards containing terms like The primary way water extinguishes fire is by: A.absorbing heat. B.excluding oxygen. C.saturating dry fuel. …
WebbFirstly, it absorbs the heat from the fire. This is the main method by which water extinguishes fire. Room temperature water is about 77 degrees Fahrenheit and water won’t become steam until it hits 212 degrees … WebbWhat is the primary way water extinguishes a fire? [Fire Service Hydraulics and Water Supply: Chapter 1: Water As An Extinguishing Agent] A By cooling, or removing heat from …
WebbThe primary way water extinguishes fire is by excluding oxygen from the fuel (smothering). false. The energy required to change a liquid into a vapor is: latent heat of vaporization. …
Webb17 juli 2024 · Answer. (3) Fire is still worshiped in many parts of the world. Fire is indeed a friend, but, as we know it can be a dangerous enemy once-it gets out of control. Question 1. Fire is a good servant means. (a) it behaves in a controlled. (b) it helps man in his daily chores manner. (c) it is not an expensive means. small sectional outdoor seatingWebb30 okt. 2015 · How water extinguishes fire ? Mainly by cooling the material on fire. Steam generation is useful for smothering. Water is more suitable against fire in wood, paper and textiles. How foam extinguishes fire ? The extinguishing effect of the foam is a combination of smothering and cooling. Foam is used against fire in oil surfaces. highs and lows in lifeWebbThe primary way water extinguishes fire is by removing the heat by absorbing it. This puts the fire out. Water has strong molecular bonds, and will not breakdown into oxygen and … small sectional pulloutWebb1 okt. 2004 · Class A fire extinguishers are usually water-based. Water provides a heat-absorbing (cooling) effect on the burning material to extinguish the fire. Pressurized … small sectional outdoor sofaWebbEssentials of Fire Fighting, 6 th Edition Fire Streams Chapter 16 Quiz Name: Date: Directions: Write the correct letter on the blank before each question. __________ 1. The … highs and lows inspirational ringWebbThe primary way that water extinguishes fire is by absorbing heat which creates what? A A cooling effect. 2 Q The amount of energy required to raise the temp of a specific unit mass of a material 1 degree in temp. A Specific Heat. 3 Q small sectional outdoor couchWebb13 dec. 2024 · Sadaqah extinguishes sin as a water extinguishes fire. (Tirmidhi) This is one of the primary benefits of Sadaqah. The forgiveness of sins as a result of Sadaqah is commonly referred to in the Prophetic narrations. The scholars state that the sins referred to in such narrations are minor sins. The major sins are only forgiven by repentance. highs and lows lyrics sik world