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lacieb23 lacieb23
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6 years ago
Factors affecting the decision to use a water -cooled torch include:
 
  A) Metal to be welded B) Portability
  C) Hours of welding per day D) All of the above

 Q. 2

The advantages of manually adding filler metal include:
 
  A) Control over depth of penetration B) Complete control over amount of filler metal
  C) Control over finished appearance D) All of the above

 Q. 3

What is the purpose of the gas burner venturi?
 
  A) The venture makes the flames swirl inside the combustion chamber to increase contact with the heat exchanger and boost efficiency
  B) The venturi insures that the proper amount of gas flows into the burner
  C) The venturi mixes the gas and primary air by making them swirl as they pass through
  D) The venturi insures that only gas enters inside the burner while air is directed into the combustion area
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knappstr95knappstr95
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6 years ago
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lacieb23 Author
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#2
6 years ago
Were some really tough homework problems! Thanks for answering all of them correctly
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