Draining a small fraction of circulating water from the tower sump to prevent the buildup and concentration of scale forming minerals is called
A) desalinization B) blow down C) drain down D) sump purging
B
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As temperature increases the viscosity of a gas:
a. increases b. decreases c. stays the same d. depends up specific gravity of the gas
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Winterization fertilizer for a lawn costs $12.00 per 25-pound bag. The lawn covers 10,000 SF and takes 25 pounds to cover 5,000 SF. What is the cost of the fertilizer for this job?
a. $12.00 c. $33.33 b. $24.00 d. $200.00
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According to legend, who were the first people to use artificial insemination?
a. the Greeks c. the Chinese b. the Russians d. the Arabs
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A resistor block wired in parallel controls the speed of most motor fans.
Answer the following statement true (T) or false (F)
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