Quick Answer: What is the property of 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.

What are the chemical properties of fire extinguishers?

Carbon dioxide is a compressed gas agent that prevents combustion by displacing the oxygen in the air surrounding the fire. The two types of dry chemical extinguishers include one that contains ordinary sodium potassium bicarbonate, urea potassium bicarbonate, and potassium chloride base agents.

What is the principle of fire extinguisher?

Fire extinguishing works on the principle of cutting off the supply of oxygen to the fire and bringing down the temperature.

What are the 7 parts of a fire extinguisher?

The Parts of a Fire Extinguisher

  • Cylindrical Tank.
  • Valve.
  • Carry Handle.
  • Operating Lever.
  • Pull Pin.
  • Tamper Seal.
  • Pressure Gauge.
  • Discharge Hose.

Is nitrogen used in fire extinguishers?

Nitrogen gas has long been used in the fire suppression industry. Its primary use has been as a pressurization gas in total-flood fire suppression systems and in portable fire extinguishers.

Which gas is used in fire?

Carbon Dioxide (CO2) Fire Suppression Systems

Unlike clean agents, carbon dioxide puts out fires by removing oxygen, not heat. This is a critical difference, because it means that carbon dioxide can not be used in occupied spaces. Because carbon dioxide removes oxygen, it can suffocate people.

IT IS IMPORTANT:  What was the leading cause of firefighter deaths in 2016 quizlet?

What are the 4 steps in using a fire extinguisher?

The acronym PASS is used to describe these four basic steps.

  • Pull (Pin) Pull pin at the top of the extinguisher, breaking the seal. …
  • Aim. Approach the fire standing at a safe distance. …
  • Squeeze. Squeeze the handles together to discharge the extinguishing agent inside. …
  • Sweep.
Tame a raging fire