HCBBS Forum (English)
HomeForumView Original
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request
English Translations » 【仪表自控交流圈】 » Process Engineering Division – Instrumentation and Automatio

Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–28

2019-11-28View Original

Thread Content

Process Engineering Division – Instrumentation and Automation Technology Forum – Daily Question – Questions 11–28: Multiple-choice questions: Which of the following statements are correct? (Multiple selection) A. ia-type instruments can be used in Zone 0 and Zone 1. B. ib-type instruments can be used in Zone 2. C. ia-type instruments can be used in coal mines. Answer: ABC
Reply #22019-11-28
C. Type ia instruments can be used in coal mine shafts

Related Threads in This Forum

← Previous

Next →

Translated at 2026-07-21 02:28:33

Original: https://bbs.hcbbs.com/thread-2858769-1-1.html

© 2026 HCBBS Forum. Content translated for international readers.

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.

Quick Links