True, fire must have oxygen to burn.
A smoke alarm or temperature sensor will also detect quick increases in ambient temperature. If your smoke detector is going off for no reason, it may be too close to a heat source like a stove, bathroom or furnace room, or it may be defective and need servicing.
true
Whatever they have been designed to measure. Different sensors are designed to measure different things.
the smoke and ashes are evidence
No Smoke Without Fire was created in 1978.
No Smoke Without a Fire was created in 1989.
Where there's smoke there's fire. The earliest recorded version is from 13th century France: "No fire is without smoke, nor smoke without fire. In 1592 the English had this version: "There's no smoke without fire". Today's version is just a variant of these. What it means: if it looks like something's wrong then something is probably wrong.
Where there's smoke there's fire. The earliest recorded version is from 13th century France: "No fire is without smoke, nor smoke without fire. In 1592 the English had this version: "There's no smoke without fire". Today's version is just a variant of these. What it means: if it looks like something's wrong then something is probably wrong.
Where there's smoke there's FIRE. The earliest recorded version is from 13th century France: "No fire is without smoke, nor smoke without fire. In 1592 the English had this version: "There's no smoke without fire". Today's version is just a variant of these. What it means: if it looks like something's wrong then something is probably wrong.
start a fire
No - At somepoint a "flash" has to develop.
No, not at all. There can be heat without flame. Something can smolder and put out more smoke than something that is at a rolling fire.
Yes, many people die each year from smoke inhalation. In addition, radiant heat can kill a person.
True, fire must have oxygen to burn.
There is no smoke without fire
There is a saying that where there is smoke, there is fire. This means that if there is evidence of something happening, then it is likely that there is a fire, or cause, for it. This saying can be applied to many situations in life. For example, if there is smoke coming from a building, it is likely that there is a fire inside. If there is smoke coming from a car, it is likely that the engine is on fire. In both of these cases, the smoke is evidence of a fire, or cause.