Two types of waterwheels were used as early sources of water energy. The one that used the flow of water
spilling down over the wheel to cause it to turn is called the _______________.
Fill in the blank(s) with the appropriate word(s).
overshot waterwheel
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¿Qué es un economizador?
a. Una válvula de combustible b. Un mezclador de aire c. Un precalentador para agua de alimentación de calderas d. Un recalentador para vapor
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The interior walls in most residences are made of:
A) Sheetrock. B) Wood paneling. C) Plywood. D) Plaster.
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Ultraviolet air treatment systems are used on __________ systems and are most effective when used in conjunction with a __________ media.
What will be an ideal response?
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What are the two parts to a schematic layout?
A. symbols and units B. arrangement and notation C. labeling and symbols D. notation and labeling E. none of the above
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