~Wet chemical systems and portable fire extinguishers are used to to control and extinguish Class K fires.
Do you need to decide whether to fight a small fire using a portable fire extinguisher which situation indicates a small fire for which it may be appropriate to use a portable fire extinguisher?
You need to decide whether to fight a small fire using a portable fire extinguisher. Which situation indicates a small fire for which it may be appropriate to use a portable fire extinguisher? The room temperature is only slightly increased.
What kinds of fires are Class A fire extinguishers used to fight?
Fire extinguishers with a Class A rating are effective against fires involving paper, wood, textiles, and plastics. The primary chemical used to fight these fires is monoammonium phosphate, because of its ability to smother fires in these types of materials.
What is the best defense against fire?
As always, the best defense against a fire is to be prepared. Take a moment to look at your fire extinguisher.
What is the operating time for most portable fire extinguishers?
The approximate discharge time for 10 to 20 pounds of dry chemical ranges from 10 to 25 seconds.
What are the limitation of portable fire extinguisher?
Portable fire extinguishers have limitations. They are not designed to fight large fires or those that may spread quickly. Portable fire extinguishers are appropriate for fighting fires such as those on the stove-top, in the oven, or in a wastepaper basket. Use an extinguisher only if the fire is in its early stages.
What is the purpose of a portable fire extinguisher?
Fires can occur only in the presence of adequate heat, oxygen, fuel (combustible material), and a chemical reaction, which is the actual fire. Portable fire extinguishers function by releasing an extinguishing agent intended to cool the fuel, remove or displace the oxygen, or stop the chemical reaction.
Which situation indicates a small fire for which it may be appropriate to use a portable fire extinguisher OSHA?
It is appropriate to use portable fire extinguisher when the room temperature is only slightly increased. In addition, one must decide to use portable fire extinguisher to fight a small fire only if the room is not filled with smoke and the fire is not growing.
What are the 4 types of fire extinguishers?
There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.
What must a person do to extinguish a fire with a portable extinguisher?
To extinguish a fire with a portable extinguisher, a person must have immediate access to the extinguisher, know how to actuate the unit, and know how to apply the agent effectively. … Therefore, individuals should attempt to fight only very small or incipient stage fires.