The purpose of a steam plant economizer is to _____.
a. preheat the boiler feedwater
b. raise steam supply temperature
c. reduce unnecessary steam loads
d. heat the boiler flue gas
a. preheat the boiler feedwater
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A varying speed is usually preferred for ____.
a. water pumps b. cranes and hoists c. turret lathes d. paper and printing plants
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Large carbon deposits on the neck of the valve will cause abnormally high compression.
Answer the following statement true (T) or false (F)
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That U.S. agricultural exports increase as per capita incomes increase is a:
a. Value judgment. b. Prediction. c. Myth. d. Fact. e. Belief.
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An evaporative condenser uses ____________________ and ____________________ as the transfer medium for system heat.
Fill in the blank(s) with the appropriate word(s).
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