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Author Question: Sealed combustion oil furnaces use A) Special sealed air-tight barometric draft regulators B) A ... (Read 78 times)

Pea0909berry

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on: Jul 27, 2018
Sealed combustion oil furnaces use
 
  A) Special sealed air-tight barometric draft regulators
  B) A separate bottled oxygen supply for cleaner combustion
  C) No vent because the combustion chamber is sealed
  D) High static oil burners

Question 2

The best method to prepare a cast iron weld joint is:
 
  A) Machining B) Grinding C) Sawing D) All of the above


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Hikerman221

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


Pea0909berry

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Reply 2 on: Jul 27, 2018
Gracias!

Jossy

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Reply 3 on: Yesterday
Wow, this really help

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