Table of Contents
- 1 Why the soda acid and the form types of extinguisher Cannot be used for fighting electrical fires?
- 2 What is soda acid fire extinguisher used for?
- 3 Why baking soda is used in soda-acid fire extinguisher?
- 4 Why is sodium hydrogen carbonate used in soda acid fire extinguisher?
- 5 What does a soda acid type fire extinguisher contain How does it work explain the working of a soda acid fire extinguisher with the help of a Labelled diagram?
- 6 Which of the following is present in soda acid type fire extinguisher?
- 7 How does a soda acid fire extinguisher work?
- 8 Does sodium bicarbonate is used in fire extinguisher?
Why the soda acid and the form types of extinguisher Cannot be used for fighting electrical fires?
Soda-acid and foam-type extinguishers are solutions prepared in water, which conducts electricity. As a result, it might generate an electric shock leading to short-circuiting and start another fire. Hence, they are not used to extinguish electrical fires.
Is soda acid fire extinguisher used for electrical fire?
Soda acid and foam types of fire extinguisher are not used for extinguishing electrical fires.
What is soda acid fire extinguisher used for?
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.
What type of extinguisher should be used on an electrical fire?
CO2 extinguishers
CO2 extinguishers are mainly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms. They also put out Class B fires. CO2 extinguishers suffocate fires by displacing the oxygen the fire needs to burn. This type of extinguisher has a black label.
Why baking soda is used in soda-acid fire extinguisher?
Carbon dioxide gas is neither combustible nor helps combustion. It is heavier than air and cuts off the supply of oxygen from air and hence extinguishes the fire. Hence, sodium bicarbonate is used in fire extinguishers.
Why is sodium hydrogen carbonate 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.
Why is sodium hydrogen carbonate used in soda acid fire extinguisher?
Why is baking soda used in soda acid fire extinguisher?
What does a soda acid type fire extinguisher contain How does it work explain the working of a soda acid fire extinguisher with the help of a Labelled diagram?
A soda-acid type of fire extinguisher contains solutions of sulphuric acid and sodium hydrogencarbonate in separate containers. When the knob of the fire extinguisher is pressed, the sulphuric acid mixes with the sodium hydrogencarbonate solution to produce a substantial quantity of carbon dioxide gas.
Which type of fire extinguisher do you use to fight an electrical fire if carbon dioxide extinguisher is unavailable?
Both carbon dioxide and dry chemicals can be used for electrical fires. An advantage of carbon dioxide is that it leaves no residue after the fire is extinguished. When electrical equipment is not energized, extinguishers for Class A or B fires may be used.
Which of the following is present in soda acid type fire extinguisher?
The correct answer is Sodium hydrogen carbonate. Soda-acid fire extinguishers comprise sodium bicarbonate and sulphuric acid. It consists of a strong iron vessel with a side discharge nozzle. The iron vessel is filled with a sodium bicarbonate solution.
What is the principle of soda acid fire extinguisher?
In a soda acid fire extinguisher, when the knob is struck concentrated sulphuric acid present in the fire extinguisher comes in contact with sodium bicarbonate and produces carbon dioxide that puts out the fire.
How does a soda acid fire extinguisher work?
Oxygen fuels fire, while carbon dioxide smothers it. Soda-acid fire extinguishers produce carbon dioxide to smother the flames. This carbon dioxide is produced from a chemical reaction between the extinguisher’s contents: baking soda and an acid (usually sulfuric acid).
Which acid is used in fire extinguishers?
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. Carbon dioxide gas is neither combustible nor helps combustion. Hence, sodium bicarbonate is used in fire extinguishers.
Does sodium bicarbonate is used in fire extinguisher?
Sodium bicarbonate is used in most dry fire extinguishers . When dispensed, the products absorb heat, decompose to form fire smothering carbon dioxide, and release free radicals which interrupt the flame chain reaction mechanism.
What fire extinguisher is used for flammable liquid?
Class B Extinguishers should be used on fires involving flammable liquids, such as grease, gasoline, oil, etc. The numerical rating for this class of fire extinguisher states the approximate number of square feet of a flammable liquid fire that a non-expert person can expect to extinguish.
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