Solar tube lighting saves energy by ________.

Solar tube lighting saves energy by ________.
 
  A) Reducing the need for indoor lighting during daylight hours
  B) Increasing aesthetic qualities of the home due to their design
  C) Decreasing the need for natural lighting during the night
  D) Increasing the need for artificial lighting during daylight hours

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[Ques. 2] Which of the following statements about brazing dissimilar metals is incorrect?
 
  A) Different metals expand at different rates.
  B) Always use a phosphorus alloy to braze dissimilar metals.
  C) Different metals have different melting points.
  D) Always use a flux, even when one of the metals is copper.

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[Ques. 3] According to the U.S Department of Energy, existing homes constructed prior to 1980 lose up to ________ of heating and cooling energy.
 
  A) 30 B) 25 C) 10 D) 40

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[Ques. 4] All decks, including freestanding decks require footings that extend below the frost line.
 
  Indicate whether the statement is true or false

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[Ques. 5] ________ are ground-level spaces and may be constructed of concrete or ground contact rated pressure-treated wood.
 
  A) Decks B) Porches
  C) Free-standing decks D) Patios