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Nudee88 Nudee88
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6 years ago
What is a residual oil?
 
  A) Residuals evaporate at relatively low temperatures
  B) A residual is what is left after all the distillates have been vaporized
  C) Residuals are filtered to remove impurities
  D) Residuals are bio-fuels manufactured from ethanol

 Q. 2

Which of the following statements is true about a Grade 1 fuel oil?
 
  A) The oil consists of 1 sulfur. B) The oil consists of 100 light distillates.
  C) The oil consists of 100 residuals. D) The oil consists of 1 carbon.

 Q. 3

Why does the draft switch close?
 
  A) to power the fan B) to energize the thermostat
  C) to reset the igniter D) to prove the draft
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svanschaiksvanschaik
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6 years ago
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Nudee88 Author
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#2
6 years ago
Excellent answers
wrote...
#3
6 years ago
Thank you
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