Question

4) What is the lens shade fitted in a helmet as per
the recommendation of welding code for setting of
150 Amps for MMAW? ​

Answer 1

Answer:

#11 lens

Explanation:

For MMAW process, Welding Current 150 Amps is used for ø 3.15 - 4mm electrode, which causes a large number of fume. due to this, There are a less visibility while welding also it is also harmful for eye. So, It is recommended that before Welding, you need to check the lens shade first.