10510963
Description
Flashcards by Abby Galas, updated more than 1 year ago
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Created by Abby Galas
almost 7 years ago
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| Question | Answer |
| 1) What is combustion? - A chemical process in which a substance reacts with oxygen to give off heat is called combustion 2) What are fuels? - Substances that undergo combustion and produces heat energy are called fuels | 3) Distinguish between combustible & non combustible substances - i. Combustible substances The substances that undergo combustion are called combustible substances. eg :- wood, paper ii. Non - Combustible substances The substances that does not undergo combustion are called non - combustible substances eg :- bricks, glass |
| 4) Give examples for :- a) Solid Fuels :- wood and coal b) Liquid Fuels :- kerosene and diesel c) Gaseous Fuels :- LPG (liquified petroleum gas) and CNG (compressed natural gas) | 5) Define ignition temperature - The lowest temperature at which a substances catches fire is called its ignition temperature 6) What are the conditions necessary for the combustion? - i. Presence of oxygen ii. Presence of combustible substances iii. Attainment of ignition temperature |
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