WebMagnet Brains is an online education platform that helps gives You NCERT/CBSE curriculum based free full courses from Kindergarten to Class 12th so that you can … Web16 feb. 2024 · One of the traditional ways to help control a Class C fire is to shut off the power to that electrical equipment causing the arc, and then once that arc is removed a lot of Class C fires become Class A fires and are much easier to extinguish. Class D fires are something that we don't talk about a lot. They're not that common.
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WebFor these two types of fires, we should use a carbon dioxide extinguisher. Passage – We spend millions of rupees each year in fighting fires. And we spend more trying to find … Web8 feb. 2024 · Answer:The fires caused by the burning of inflammable materials like oil or petrol are also extinguished by using carbon dioxide fire extinguishers. ... ABRTMSY7 … in charge myles munroe pdf
How have we learnt to control fire - Brainly.in
WebHow do we control fire? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about … How can we Control Fire? Last updated at March 7, 2024 by Teachoo We know that there are 3 necessary conditions for combustion - Fuel Presence of Fuel (Combustible Substance) Air Presence of Air to supply oxygen Heat Presence of Heat to reach ignition temperature Thus, Fire is … Meer weergeven Pouring Water removes fire by 2 methods 1. It reduces temperature of substance below ignition temperature 2. When water is poured in sufficient quantity,it cuts supply of oxygen which removes fire Meer weergeven Some other methods can also be used like- 1. Throwing sand or soil over small fires - it cuts off air supply and the fire gets extinguished 2. Cooking oil fire can be extinguished by covering the pan with damp cloth - … Meer weergeven Fire Extinguisher contains Carbon Dioxide gas Carbon Dioxide is heavier than oxygen When it is sprayed, it covers object like a blanket and cuts oxygen supply Meer weergeven Near fire, these chemicals also provide Carbon Dioxide which reduce oxygen supply Carbon Dioxide is heavier than oxygen When it is sprayed,it covers object like a blanket … Meer weergeven Web3 okt. 2024 · Answer. 7. The inner central dark zone of a candle flame is the hottest region. Answer. 8. The principle of all fire-extinguisher is to cut off the air supply and to cool the burning substance below its ignition temperature. Answer. We hope the given NCERT MCQ Questions for Class 8 Science Chapter 6 Combustion and Flame with Answers Pdf … in charge of development