What is a disadvantage of multi class dry chemical fire extinguishers OSHA?
Disadvantages: Obscures vision. More irritating than ordinary dry chemical. Nozzle pressure may cause burning liquids to splash.
What are the disadvantages of dry chemical fire extinguisher?
Disadvantage:-
- Rarely allowed by the fire brigade as the primary extinguishing agent for professional use (foam and powder are allowed)
- Not frost-resistant.
- Limited use (only class A)
- Not suitable for use near electrical installations or equipment (risk of electrocution.
What problems might the use of a dry powder extinguisher result in?
Dry Powder Fire Extinguishers – The Dangers Dry powder fire extinguishers can choke a fire out, but they do not have a very good cooling effect, so if the fire is not 100% extinguished it could return. You must also be careful not to inhale the powder, so do not use these extinguishers in a confined space.
What can happen if you use the wrong fire extinguisher?
The dangers of using the incorrect fire extinguisher: Applying water to a metal fire could cause hydrogen to be given off resulting in an explosion. Special dry powder fire extinguishers are available for use on metal fires.
How dangerous are fire extinguishers?
Proper use of fire extinguishers is generally safe; however, there is some risk for mild respiratory, skin, or eye irritation. Use in areas with poor air flow, use with intent to harm someone, or intentional inhalation of fire extinguishers can produce serious toxicity and would require medical evaluation.
How do you clean up a fire extinguisher?
Vacuum or sweep up loose debris. Spray stuck-on residue with isopropyl alcohol diluted 50 percent with warm water. Let the solution sit for several minutes, and then wipe with a damp rag. To neutralize sodium bicarbonate and potassium bicarbonate residue, apply a solution of 98 percent hot water and 2 percent vinegar.