Question

1. a number __ filter lens is recommended for gmaw welding of steel with a current of 200a. a. 10 b. 11 c. 12 d. 14 answer: 15. a number __ filter lens is recommended for fcaw welding steel with a current of 300a. a. 10 b. 11 c. 12 d. 14 answer:

Explanation:

For GMAW welding of steel with a current of 200A, a number 11 filter lens is typically recommended. For FCAW welding of steel with a current of 300A, a number 12 filter lens is usually recommended. These are based on standard welding safety and practice guidelines to protect the welder's eyes from harmful radiation.

Answer:

1. B. 11
2. C. 12