What could cause the tungsten electrode to turn gray or blue?
A) The operator had only 1/4 to 1 inch stick out, and that is not enough to prevent electrode burning.
B) Not enough electrodes stick out.
C) Answers A and B are both correct.
D) Not enough post flow
E) Too much post flow
D
Trades & Technology
You might also like to view...
? Identify and state the historical significance ofWilliam H. McGuffey.
What will be an ideal response?
Trades & Technology
List five abiotic atmospheric conditions that have an effect on plant growth
What will be an ideal response?
Trades & Technology
Which of the following configurations of an LC or RC filter is defined as a sharper transition from passband to stopband than other configurations, but with ripple on both?
A. Chebyshev B. Cauer C. Bessel D. Butterworth
Trades & Technology
What letter indicates a connection between terminals?
A. A B. F C. O D. X
Trades & Technology