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What three things are needed for an explosion?

What three things are needed for an explosion?

In order to create an explosion the has to be fuel (for example an explosive gas such as hydrogen), and oxidizer (such as the oxygen in air) and a source of ignition energy (for example, a hot surface or an electrical spark). These three items are commonly referred to as ‘the fire triangle’.

What elements can cause a explosion?

Fires and explosions require three elements in order to occur (the ‘fire triangle’): oxygen, fuel and heat.

What element must be present for a dust explosion?

The elements are a fuel source (combustible dust), heat or ignition source (electrostatic discharge, glowing ember, hot surface) and an oxidizing agent (oxygen in the air). Two additional elements, if present, create the optimal conditions for a combustible dust explosion to occur.

What are the 5 elements of a combustible dust explosion?

Five elements must be present for a combustible dust explosion to occur: fuel, oxygen, an ignition source, dispersion and confinement.

What are the elements of fire and explosion the fire triangle?

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 do you do in an explosion?

If There Is An Explosion:

  • Take cover under sturdy furniture, or leave the building if directed to do so by emergency responders.
  • Stay away from windows.
  • Do not light matches.
  • Move well away from the site of the hazard to a safe location.
  • Use stairs only; do not use elevators.
  • Call University Police at 878-6333.

What are the most explosive elements?

Here are five of these non-nuclear chemicals which all explode via the rapid release of gas.

  • TNT. One of the most commonly known explosive chemicals is trinitrotoluene, or TNT, which has featured extensively in video games and films.
  • TATP.
  • RDX.
  • PETN.
  • Aziroazide azide.

What makes flour explosive?

What Causes Flour Mill Explosions? Flour dust combined with factors like an ignition source, confined space, dispersion and oxygen are the main culprits behind flour dust explosions. As such, flour dust acts as a fuel source when mixed with oxygen which can result in a fire when confined in a limited space.

When 3 elements of fire triangle combine what can occur?

The fire triangle’s three sides illustrate the three elements of fire: heat, fuel and oxidization. The three elements must be combined in the right proportions for a fire to occur. If any of the three elements are removed, the fire is extinguished.

When all 3 element of the fire triangle combine what can occur?

The triangle illustrates the three elements a fire needs to ignite: heat, fuel, and an oxidizing agent (usually oxygen). A fire naturally occurs when the elements are present and combined in the right mixture.

How many elements are needed for a dust explosion?

OSHA says five elements must be present for a dust explosion to occur. If any one of these elements is missing, an explosion will not occur. The first three elements are needed for a fire: 1. Combustible dust (fuel) 2. Ignition source (heat)

What are the three elements needed to start a fire?

1 Oxygen Oxygen is usually required for combustion (the fire’s chemical reaction) to occur. In most cases, this is simply the oxygen in the air. 2 Heat Heat is required to start a fire. But, once the fire begins, it often generates enough heat to keep the fire going without the need to add more 3 Fuel

What can be done to prevent combustible dust explosions?

Use proper dust collection systems. Regularly inspect for dust residues in open and hidden areas. If ignition sources are present, use cleaning methods that do not generate dust clouds. Control smoking, open flames and sparks, including mechanical sparks and friction.

What causes dust explosion in a work area?

Washington L&I notes that combustible dust can accumulate inside of, or escape from, equipment and settle on work area surfaces. These accumulations, when dispersed in the air in the presence of an ignition source, can result in an explosion. OSHA says five elements must be present for a dust explosion to occur.