A fire extinguisher consists of a hand-held cylindrical pressure vessel carrying an agent which discharges to extinguish the fire. A fire extinguisher is an external fire safety system useful to extinguish or control minor fires, often in emergency cases.
Definition of fire extinguisher : a portable or wheeled apparatus for putting out small fires by ejecting extinguishing chemicals Examples of fire extinguisher in a Sentence Recent Examples on the Web According to police, an investigation determined that Karaulanov struck another driver’s car with a tire gauge and then a fire extinguisher.
Fire extinguisher – Wikipedia
A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. It is not intended for use on an out-of-control fire, such as one which has reached the ceiling, endangers the user (i.e., no escape route, smoke, explosion hazard, etc.), or otherwise requires the equipment, personnel, resources and/or expertise of a fire brigade. Typically, a …
A fire extinguisher is an element that is used to fight the fire. Also called extinguisher, this device is used to extinguish flames. The fire extinguishers have a tube or one bottle made of steel that stores a substance inside fire extinguisher, which is preserved at Pressure. When the valve, the substance is expelled through a hose or nozzle.
People Also Ask what is the definition of fire extinguisher in chemistry
What chemicals are used in a fire extinguisher?
What Extinguishing Agents are used in a Fire Extinguisher?Dry Chemical. This agent is made up of very small particles of sodium bicarbonate, potassium bicarbonate, or ammonium phosphate with additives to help enhance flow and prevent packing and caking.Wet Chemical. …Clean Agent. …Foam. …Dry Powder. …
How does a fire extinguisher work chemistry?
When water hits fire it boils, turns to steam and floats away, taking some heat with it. It also prevents oxygen from reaching the fuel. Most fire extinguishers work by separating the fuel from the oxygen. The oxygen comes from the air. It is the same oxygen we breathe.
What are the ingredients in a fire extinguisher?
Pull the pin.Aim the nozzle at the base of the fire. Hitting the tops of the flame with the extinguisher won’t be effective.Squeeze the trigger. In a controlled manner, squeeze the trigger to release the agent.Sweep from side to side. Sweep the nozzle from side to side until the fire is put out.
How many fire extinguishers are required and where?
This aticle discusses how many fire extinguishers you need in a specific, designated area. Carrying out a fire risk assessment will determine the number of fire extinguishers needed in a specific location. As a general rule, you must have at least one fire extinguisher to cover 2100 square feet.
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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