REPAIR AND MAINTENANCE - Practice Mode
1) What are the characteristics stated in the weld procedure qualification?
Correct Answer: Essential
3) What is the grouping P code number for welding covered under copper and copper based alloys?
Correct Answer: P31 to P35
4) Which welding process is more desirable in filling up grooves on any surface?
Correct Answer: Oxy-acetylene welding method
5) Which one of the following method is not related to surfacing metal?
Correct Answer: Grinding method