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

【Daily Topic】【HVAC Version 20170602】

2017-06-02View Original

Thread Content

Participation reward: 2 Wealth. Correct reward: 6 wealth. Multiple-choice question: Given that the diameter of the water distribution pipe is 80 mm and the diameter of the pressure-reducing orifice is 50 mm, when the flow rate is 30 l/s, the pressure reduction value achieved by the orifice is 19.85 m. What is the actual pressure reduction value of the orifice when the flow rate is 25 l/s? (  ) A. 6.72 mpa(10-2 mpa)  B. 13.44 mpa(10-2 mpa)  C. 11.85 mpa(10-2 mpa)  D. 16.85 mpa(10-2 mpa) B

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.