Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO 2) to propel a stream of fire-squelching …
Expert Answer: (a) Water, sand or soil and fire extinguishers are the substances used to extinguish fire. (b) Sand or soil should be used to extinguish fire in case of electric short circuit. (c) Water and soda-acid fire extinguishers cannot be used to control fire due to oils.
Which substances are used to extinguish fire?
Fire extinguishers are the substances which are used to extinguish a fire. Examples are sand, water, and carbon dioxide. The most commonly used fire extinguisher is water, it works when wood and paper are on fire whereas carbon dioxide is the best extinguisher for electrical and inflammable materials.
Graphite powder, powdered copper and sodium chloride are recognized as effective dry powder agents. The heat absorption and the smothering effects of dry powder agents are suitable to extinguish a Class D fire. Be aware that dry powder agents are entirely different from dry chemical agents.
People Also Ask which substance are used to extinguish fire
What chemicals are in a fire extinguisher?
Fire extinguishers contain different chemicals, depending on the application. Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire-squelching agent to the fire. The active material may be a powder such as potassium …
What materials are used to fight fire?
Researchers are actively pursuing diverse materials–including iron- and phosphorous-containing compounds and hydrofluorocarbons–with the ability to inhibit flames. They are also developing better means of discharging more conventional chemicals, such as H2O, N2 and CO2.
What is the best dry powder to use to extinguish fire?
Graphite powder, powdered copper and sodium chloride are recognized as effective dry powder agents. The heat absorption and the smothering effects of dry powder agents are suitable to extinguish a Class D fire.
What type of fire extinguisher cannot be used to control fire due oil?
(c) Water and soda-acid fire extinguishers cannot be used to control fire due to oils. This video explains why water is not used to control fires involving electr…
People Also Searches which substance are used to extinguish fire
| ways to extinguish a fire |
| extinguish a fire or light |
| fire extinguish system |
| clean agents extinguish fire by |
TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher