What does a flat horizontal line used with the symbol for motors and generators indicate?
A. AC
B. DC
C. series field
D. shunt field
Answer: B
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Explain strategies available for saving energy when using a washing machine.
What will be an ideal response?
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The chief renaissance city in northern Europe was
a. Bruges in Flanders. b. Paris. c. Antwerp in Brabant. d. Amsterdam.
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Define Indoor Air Quality
What will be an ideal response?
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In a dual-fuel heat pump, what operates when second stage heat calls?
A) the electric heat strips are energized to supplement the furnace B) the heat pump starts and the furnace shuts off C) both the heat pump and the furnace operate D) the furnace starts and the heat pump shuts off
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