Piping Inspector Interview Questions and Answers

Lay-up in plant piping refers to the process of preserving or protecting the piping system during periods of inactivity or shutdown.

• Lay-up involves cleaning and draining the piping system to prevent corrosion and contamination.

• Various methods of lay-up include nitrogen purging, dry lay-up, and wet lay-up.

• Examples of lay-up techniques include using desiccants, inhibitors, or protective coatings to maintain the integrity of the piping system.

• Lay-up is essential for ensuring the...read more