Frequently Asked Questions
Why Does Smoke Come from a Fire?
Let's say you have a nice fire going, and it has burned down to the point where what you see is a collection of hot "glowing embers." The fire is still producing a lot of heat, but it is producing no smoke at all. You might have gotten to this point either by starting...
How Do Photoelectric Smoke Detectors Work?
All smoke detectors consist of two basic parts: a sensor to sense the smoke and a very loud electronic horn to wake people up. Smoke detectors can run off of a 9-volt battery or 120-volt house current. Occasionally you will walk into a store and a bell will go off as...
How Do Multi-Class Dry Chemical Fire Extinguishers Work?
If you ask any firefighter what it takes to create a fire, you will learn that you have to have three things: A Fuel - some sort of combustible solid, liquid or gas Oxygen - to react with the fuel Heat - there must be enough heat to get the fuel above its flash point....
How Do Ionization Smoke Detectors Work?
All smoke detectors consist of two basic parts: a sensor to sense the smoke and a very loud electronic horn to wake people up. Smoke detectors can run off of a 9-volt battery or 120-volt house current. Ionization smoke detectors use an ionization chamber and a source...
