Hot water is circulated through a hot water heating system
A) Because of the density difference between hot and cold water
B) using large diaphragm pumps
C) Using water circulating pumps
D) Using external drive water compressors
C
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____ foundations use long wood, concrete, or steel piles that are driven or drilled into the earth.
A. Pile B. Spread C. Mat D. Driven
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Answer the following statement(s) true (T) or false (F)
You should never work on a fuel gas system when the gas is on.
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Which of the following is true of a lead acid battery?
A. produces DC chemically B. produces AC chemically C. induces DC D. induces AC
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Many shops now choose to install ____________________ because of the warranty on the product.
Fill in the blank(s) with the appropriate word(s).
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