L&T Energy Hydrocarbon Qa Qc Welding and Piping Inspector Interview Questions and Answers

ITP stands for Inspection and Test Plan. Sensitization is a process where stainless steel loses its corrosion resistance due to high temperature exposure.

• ITP is a document that outlines the inspection and testing requirements for a project.

• It includes details on the materials, equipment, and procedures to be used.

• Sensitization occurs when chromium carbides form in the grain boundaries of stainless steel, reducing its c...read more

WPS stands for Welding Procedure Specification and PQR stands for Procedure Qualification Record.

• WPS is a document that provides detailed instructions on how to perform a specific welding procedure.

• It includes information on welding parameters, materials, joint design, and pre- and post-welding treatments.

• PQR is a record that documents the results of a procedure qualification test.

• It verifies that a specific welding pr...read more