Why can oil furnaces operate at efficiencies between 80% and 90% without condensing water in the heat exchanger or vent?
What will be an ideal response?
The combustion products contain only half as much water as combustion products from a gas furnace. So the dew point of the combustion gasses in an oil furnace is lower than in a gas furnace.
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Cylinder ____________________ in automobile engines usually range from about 3.5" to 4".
Fill in the blank(s) with the appropriate word(s).
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Agricultural contaminants of surface water include ____
a. soil particles b. pesticides and fertilizers c. organic debris d. disease-causing organisms
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E85 is sold mainly in which part of the United States?
a. Midwest c. Southwest b. Northeast d. Pacific Northwest
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What can be used to remove nail polish that accidentally got on the client's skin:
What will be an ideal response?
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