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Author Question: Due to its fast-freeze characteristics and limited slag production, the electrode used for the root ... (Read 44 times)

Kthamas

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on: Jul 24, 2018
Due to its fast-freeze characteristics and limited slag production, the electrode used for the root pass of an
  SMAW open-root pipe joint is the _____.
 
  a. E9018
  b. E7018
  c. E6010
  d. E4010

Question 2

A large amount of oxygen around flammable materials or sparks can cause _____.
 
  a. slow, persistent oxidation of the electrodes
  b. severe weakening of the root pass welds
  c. rust or scale to enter the weld puddle
  d. rapid and uncontrolled combustion


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jennafosdick

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Reply #1 on: Jul 24, 2018
Answer to Question 1

c

Answer to Question 2

d


Kthamas

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Reply 2 on: Jul 24, 2018
Wow, this really help

ktidd

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Reply 3 on: Yesterday
:D TYSM

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