Which of the following is true of mild steel welds?
A. The primary flame shields the molten weld pool.
B. Carbon dioxide that is formed reacts with the molten weld pool.
C. It is possible to make welds with 100% integrity.
D. The carbon dioxide draws the surrounding atmosphere into the weld.
Answer: C
You might also like to view...
A 240-V rms 60-Hz supply serves a load that is 10~kW (resistive), 15 kVAR (capacitive), and 22 kVAR (inductive). Find:
(a) the apparent power (b) the current drawn from the supply (c) the kVAR rating and capacitance required to improve the power factor to 0.96 lagging (d) the current drawn from the supply under the new power-factor conditions
Removal of existing ____ plants and avoiding installation of new ones helps create a more sustainable yard.
A. native B. non-native C. invasive D. non-invasive
Consider basic relay logic. What is meant by an AND function? What is meant by an OR function?
What will be an ideal response?
Identify the four basic pump designs (48)
What will be an ideal response?