Multipurpose Class B Foams Are Normally Mixed at a 6

question 55

Multiple Choice

Multipurpose Class B foams are normally mixed at a 6 percent rate when:

• A) applied to polar solvents.
• B) applied to hydrocarbon fuels.
• C) thinner (wetter) foam is desired.
• D) fuel is burning near a body of water.

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Definitions:

Stamen

The male reproductive organ of a flower, typically consisting of a filament and an anther, which produces pollen.

Angiosperms

Flowering plants that produce seeds enclosed within a fruit; they are the largest and most diverse group in the plant kingdom.

Sporophyte

The diploid, spore-producing phase in the life cycle of a plant that alternates with the gametophyte.

Microsporocyte

A type of cell found in plants that undergoes meiosis to produce microspores, which eventually develop into male gametophytes.