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raffat naseem raffat naseem
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6 years ago
Valves installed at the highest point in the system are called _____.
 
  A) bleeder valves B) top valves C) traps D) check valves


[Ques. 2] Conductivity tests use _____ to test the conductivity of a material.
 
  A) sound waves B) resistance C) amperage D) voltage


[Ques. 3] Conductivity tests are sometimes known as _____ tests.
 
  A) penetrant B) megger C) ultrasonic D) holiday


[Ques. 4] A fracture in the weld metal running across the weld is known as a _____.
 
  A) transverse crack B) longitudinal root crack
  C) wagon track D) longitudinal crack


[Ques. 5] Most porosity is caused by _____ or _____.
 
  A) burn-through; inclusions B) internal undercut; arc strikes
  C) improper technique; contamination D) concavity; short arc
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wertywerty
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6 years ago
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raffat n. Author
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#2
6 years ago
Thank you for helping me with this assignment of mine
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