What are the components of a soda acid extinguisher?
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What are the components of a soda acid extinguisher?
Soda-acid fire extinguishers comprises of sodium bicarbonate and sulphuric acid. It is the most efficient house-hold fire extinguisher. It consists of a strong iron vessel with a side discharge nozzle. The iron vessel is filled with a sodium bicarbonate solution.
Which part of soda acid type fire extinguisher is attached to a knob?
Solution : Construction : It contains sodium bicarbonate solution. The small bottle contains sulphuric acid. This bottle is attached to the knob.
What are the parts of the extinguisher?
The main parts of a fire extinguisher are five: one or two tanks; a valve assembly; a hose, or a nozzle; an extinguishing agent; a propellant. The tanks are made of metal; they contain the extinguishing agent and the propellant. They can be manufactured by extrusion or by calendering, deep drawing and welding.
Which acid is used in fire extinguisher?
Sulphuric acid
Sulphuric acid is non flammable so soda acid is most common fire extinguisher. Carbon dioxide is liberated by the action of sulphuric acid on baking soda or sodium bicarbonate. This increases the percentage of carbon dioxide in air. Due to this the supply of air is cut off and fire is extinguished.
Why is soda acid used as a fire extinguisher?
Soda acid type extinguisher acts by cutting off supply of air. It acts on all types of fire except due to electrical and inflammable liquids. The carbon dioxide is liberated by the action of acid on baking soda. It increases the percentage of carbon dioxide in air (CO2 is non supporter of combustion).
What class is soda acid fire extinguisher?
Class A Fires: Rubbish, paper, scrap, scrap lumber. Use soda acid and pressurized extinguishers or water through use of a hose or pump type water can. Class B Fires: Flammable liquids, oil, grease. Use carbon dioxide, dry chemical or foam extinguishers.
How do the components of a soda acid fire extinguisher work to extinguish fire?
ground, the acid bottle breaks and the acid comes in the contact with the backing soda. As a result carbon dioxide is liberated. This increases the percentage of carbon dioxide in air. Due to this the supply of air is cut off and there, fire is extinguished.
What are components of fire?
Oxygen, heat, and fuel are frequently referred to as the “fire triangle.” Add in the fourth element, the chemical reaction, and you actually have a fire “tetrahedron.” The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.
What is soda acid used for?
Why nahco3 is used in soda acid fire extinguisher?
When the fire extinguisher is operated by pressing the knob on it, the sulphuric acid gets mixed with sodium bicarbonate solution producing a lot of carbon dioxide gas. 3. Carbon dioxide gas is neither combustible nor helps combustion. Hence, sodium bicarbonate is used in fire extinguishers.
What are soda acid extinguishers used for?
Soda and Acid A fire extinguisher removes or displaces the surrounding oxygen, smothering the flames. A soda acid fire extinguisher is an emergency fire protection device that can extinguish or control small fires.
Which gas is produced in soda acid fire extinguisher?
Carbon dioxide
Carbon dioxide (CO2) gas is evolved from fire extinguisher. In soda acid fire extinguisher, a chemical reaction between conc sodium bicarbonate solution and conc sulphuric acid generates carbon dioxide. In foamite fire extinguisher, the reaction between baking soda and and aluminium sulphate generates carbon dioxide.
Where is soda fire extinguisher is used?
Soda acid type extinguisher acts by cutting off supply of air. It acts on all types of fire except due to electrical and inflammable liquids. The carbon dioxide is liberated by the action of acid on baking soda.