Direct-current compound motors contain a rotating armature and a(n) ____ field.
A. stationary
B. interpole
C. commutator
D. brush
Answer: A
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Answer the following statement(s) true (T) or false (F)
The flow switch symbol is used for both liquid and air flow switches.
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What types of risks do dead animals present to humans?
What will be an ideal response?
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All retroviruses produce an enzyme called reverse transcriptase, which permits them to insert copies of their own genetic material into that of the cells they have infected
Indicate whether the statement is true or false
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Solids that float on liquids are referred to as __________.
A. foam B. buoyants C. slurry D. contaminants
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