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 » 历史存档[信息] » One question per day; those who answer correctly receive 6 w

One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； October 09

2016-10-09View Original

Thread Content

Single-choice question: When a jack is in use, it is placed on a flat and solid surface, with sleepers, wooden planks, or steel plates placed under it. The purpose of this is ( ). A. Increase the lifting force of the jack. B. Expand the compressed area to prevent collapse. C. Reduce the compressed area. D. Increase the lifting height of the jack. Correct answer: B
Reply #22016-10-09
B. Increase the compressed area to prevent collapse

Related Threads in This Forum

← Previous

Next →

Translated at 2026-07-20 23:18:19

Original: https://bbs.hcbbs.com/thread-1627794-1-1.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