Multiple Choice
Why should the temperature extremes a weld will be seeing in service be important to the selection of a filler metal for a weld?
A) Some welding electrodes produce more heat than is needed to make a weld if the metal is very cold.
B) Some metals become very brittle and crack easily at low temperatures.
C) Some arc welding electrodes will not hold an arc if the metal is too cold.
D) None of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The _ is the impact load required
Q2: _ act as scavengers that combine with
Q3: _ indicates a filler metal that is
Q4: In the AWS specification for carbon steel-covered
Q6: Which electrode is sometimes referred to as
Q7: The AWS identification system for covered nonferrous
Q8: The AWS specifications for aluminum and aluminum
Q9: For fabricating structural and low-alloy steels, the
Q10: _ is an austenite former.<br>A) Silicon<br>B) Chromium<br>C)
Q11: Explain arc blow and when it occurs.