In Fluidized-Bed Combustion of Coal, What Is Mixed with Coal

question 36

Multiple Choice

In fluidized-bed combustion of coal, what is mixed with coal to remove which major air pollutant?

• A) sand; nitrogen oxides
• B) limestone; carbon dioxide
• C) sand; sulfur oxides
• D) limestone; sulfur oxides
• E) water; sulfur oxides

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Definitions:

Fetus

A developing mammal or human within the womb, after the embryonic stage and until birth.

Pelvis

A basin-shaped structure in the skeleton located at the lower part of the trunk, composed of the hip bones, sacrum, and coccyx.

Fallopian Tube

Tubes that extend from either side of the uterus, through which eggs travel from the ovaries to the uterus.

Opening

An entrance or aperture in a structure that provides access or allows the passage of objects, fluids, or light.