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Najmnour Najmnour
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6 years ago
Why do solenoid type valves pose a problem for some types of burners?
 
  A) Solenoids open and close too slowly.
  B) Solenoids open and close too quickly.
  C) Solenoids' seal is not strong.
  D) Solenoids create too much pressure when closing.

 Q. 2

This pipe position includes welding in flat, horizontal vertical and overhead progressions:
 
  A) 2G B) 5G C) 6G D) 1G

 Q. 3

Pulsed GTAW can be used on root passes for superior weld pool and keyhole control.
 
  Indicate whether the statement is true or false
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lorrkelly1lorrkelly1
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6 years ago
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Najmnour Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
cartoon
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Yesterday
Helped a lot
Liarec
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2 hours ago
Thanks
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