Smoke FAQs:

Q: Is smoke a collection of airborne solid and liquid particulates and gases emitted when a material undergoes combustion or pyrolysis?

A: Yes, and together with the quantity of air that is entrained or otherwise mixed into the mass.

Q: Are smokes most commonly composed of carbon?

A: Yes, Other particulates may be composed of drops of condensed tar, or solid particles of ash.

Q: Is smoke pulled through a filter paper and the dark spot so formed is compared with a standard?

A: Yes.

Q: Is smoke incompletely burned fuel?

A: Yes, and carbon monoxide is incompletely burned carbon, therefore it has long been assumed that measurement of CO in flue gas will provide a good indication of the levels of smoke.

Q: Is smoke a major modifiable risk factor for lung disease?

A: Yes, and heart disease, and many cancers.

Q: Is smoke an aerosol of solid particles and liquid droplets that are close to the ideal range of sizes for Mie scattering of visible light?

A: Yes.

Q: Is smoke white and cloud-like?

A: Yes.

Q: Is smoke also a component of internal combustion engine exhaust gas?

A: Yes, and particularly diesel exhaust.

Q: Is smoke characteristic of the combustion source?

A: Yes.

Q: Is smoke sometimes used as a flavoring agent?

A: Yes, and preservative for various foodstuffs.

Q: Is smoke the combination of both sidestream and mainstream smoke emissions from a burning tobacco product?

A: Yes.

Q: Is smoke passed through an array of metal tubes which contain suspended wires?

A: Yes.

Q: Is smoke used in rituals where incense?

A: Yes, and sage, or resin is burned to produce a smell for spiritual purposes.