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palantriel palantriel
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6 years ago
Notches left in a base metal _____.
 
  a. aid in welding additional structures to the work
  b. assist in later gouging operations
  c. have a tendency to fill and smooth out when the base metal is heated
  d. have a tendency to trap slag during welding

 Q. 2

Welding can be:
 
  A) Stable employment B) Financially rewarding
  C) Interesting D) All of the above

 Q. 3

What type of control system has the ability to measure the controlled variable and the system output and dynamically adjust the setpoint to achieve more precise control?
 
  A) proportional controls B) proportional integral derivative (PID) controls
  C) two-position controls D) modulating controls
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MansiMansi
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6 years ago
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palantriel Author
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#2
6 years ago
Cheers!!
wrote...
#3
6 years ago
Cheers too Thumbs Up Sign
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