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tere tere
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6 years ago
Electro-mechanical control systems operate by
 
  A) processing electronic signals with a microprocessor
  B) providing a varying DC voltage in response to monitored conditions
  C) turning relay coils on or off to complete circuits
  D) providing a modulating air pressure in response to monitored conditions

 Q. 2

The tie-in of weld metal to base metal on a completed weld should be _____.
 
  a. rough
  b. smooth
  c. soft
  d. discolored

 Q. 3

Electronic control systems operate by
 
  A) processing electronic signals with a microprocessor
  B) providing a modulating air pressure in response to monitored conditions
  C) providing a varying DC voltage in response to monitored conditions
  D) turning relay coils on or off to complete circuits
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vivian970811vivian970811
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#1
Posts: 349
Rep: 4 0
6 years ago
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tere Author
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6 years ago
Thanks for your help!!
elizabetheldrid
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Yesterday
You make an excellent tutor!
ediblefruitz
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2 hours ago
Thanks
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