Multiple Choice Question (MCQ)
Question: Which is the current density for acid bath?
A.
2.0 to 2.5 A/dm<sup>2</sup>
B.
1.0 to 2 A/dm<sup>2</sup>
C.
5.0 to 5.5 A/dm<sup>2</sup>
D.
9.0 to 9.5 A/dm<sup>2</sup>
Correct Answer: 1.0 to 2 A/dm<sup>2</sup>