Answer is:
Leather and Worn
Explanation:
Leather and Worn type of apron is used during welding.
Answer is:
Overlap position
Explanation:
In Lap joint, plates are kept overlap position.
Answer is:
None of these
Explanation:
When steel has been fully deoxidized before casting and no gas was evolved during solidification, the resultant steel is known as killed steel. It is combined with an agent like casting before use. This steel is called "killed" because it quietly solidifies in the mold and no gas evolves.
Answer is:
To stop oxidation
Explanation:
Welding flux is used to stop oxidation