Electronic air cleaners generally have ____.
A. ionizing sections
B. charcoal filters
C. prefilters
D. All of the above.
Answer: D
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What will be an ideal response?
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A(n) ____________________ is a surface on which a service panel or subpanel is mounted. It is usually made of plywood and is often painted a flat black color.
Fill in the blank(s) with the appropriate word(s).
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Indicate whether the statement is true or false
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Answer the following statement true (T) or false (F)
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