An insulator is a material containing _____ valence electrons.
A. one or two
B. three or four
C. five or six
D. seven or eight
Answer: D
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If a furnace is found with a puddle of oil in the combustion chamber, _____.
a. fire the burner for one or two seconds at a time b. manually light the oil and allow it to burn away c. turn on the main blower until it evaporates d. pump out or soak up the excess oil from the chamber
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Framing plans are used as reference maps to show where cross sections have been cut.
Answer the following statement true (T) or false (F)
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Most color matching problems are experienced when attempting to match metallic and pearl three-stage paints.
Answer the following statement true (T) or false (F)
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Milk is the only substance that is intended by nature for no other use than as
food.
Indicate whether the statement is true or false.
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