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Daddy667 Daddy667
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7 years ago
Shielding gas for GTAW most often is:
 
  A) CO2 B) 100 helium
  C) 100 argon D) 75 argon, 25 CO2

 Q. 2

A mechanical seal that has one seal inside the stuffing box and one seal outside the stuffing box is known as a
  _____
  seal.
 
  a. single inside mechanical
  b. face-to-face mechanical
  c. back-to-back mechanical
  d. tandem
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kzabeckzabec
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7 years ago
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Daddy667 Author
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7 years ago
TY
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7 years ago
You're welcome
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