The chief drawback in the use of ____ is the less-steady-arc characteristics and a considerable increase in weld spatter.
A. carbon dioxide
B. argon
C. oxygen
D. helium
Answer: A
Trades & Technology
You might also like to view...
What type of weld is shown in Figure 2?
a. Slot b. Groove c. Fillet d. Plug e. Surfacing
Trades & Technology
Which one of the following has the least in common with the other four?
A. slums B. dumbbell tenements C. bedroom communities D. flophouses E. the "Lung Block"
Trades & Technology
Which bulb uses natural amber glass?
A) 1157 B) 168 C) 194NA D) 194
Trades & Technology
A resistance of 2200 ohms is the same as _______
A) 220 ohms B) 2200 volts C) 2.2K? D) 2200000 ohms
Trades & Technology