Praj Industries Field Quality Engineer Interview Questions and Answers

Welding is a process of joining two or more metal pieces together by melting and fusing them.

• Welding involves applying heat to the metal pieces until they reach a melting point

• A filler material is often used to help create a strong bond between the pieces

• Common types of welding include arc welding, MIG welding, and TIG welding

• Welding is used in various industries such as construction, automotive, and aerospace

P91 metal welding refers to welding techniques used for joining P91 steel, a type of high-strength, low-alloy steel commonly used in high-temperature applications.

• P91 steel is a type of low-alloy steel known for its high strength and creep resistance.

• Welding P91 steel requires preheating and post-weld heat treatment to prevent cracking and maintain mechanical properties.

• Common welding techniques for P91 steel include T...read more