Multiple Choice Question (MCQ)
Question: Calculate pitch diameter of M16 x 2 mm square thread?
A.
14 mm
B.
15 mm
C.
15.5 mm
D.
16 mm
Correct Answer: 15 mm
Explanation
The two most common shielding gases for Flux-cored arc welding (FCAW) is a mix of 75 percent argon and 25 percent CO2.