HCBBS Forum (English)
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request

【Daily Question】Utilities - Mechanical & Electrical - 20200512

2020-05-12View Original

Thread Content

After the installation of the process pipelines for a particular project is completed, it is necessary to purge the inside of the pipes. Subsequently, the inner walls of the pipes are rinsed with a 15% hydrochloric acid solution. Once this step is confirmed to be successful, the pipes are protected by filling them with nitrogen. The pre-treatment performed on the inner surface of the process pipeline belongs to ( ). A. Physical rust removal B. Jet rust removal C. Cleaning for rust removal D. Chemical rust removal Answer: D

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.