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  • Users: Rocco8
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  1. Rocco8

    Guarantee of Payments

    We provide Engineering services to startup Biomass to energy companies. In the past we worked with the fortune 500 where getting paid was never an issue. Many of these startups have received their first round of funding. How can we insure payment at the end of say a front end engineering...
  2. Rocco8

    Convert between the various Us

    Does anyone know of a conversion program that converts between the various overall heat transfer coefficients (Us)?
  3. Rocco8

    Calculating Reid Vapor Pressure

    How do I calculate the Reid vapor pressure fom the chemical composition of a hydrocarbon mixture given in mole percents from an on-line GC,if the algorithm listed below is used. http://www.bre.com/technicalpapers/technicalpaper.asp?articlenumber=5 Step 2 reqires that one Evaluate the density...
  4. Rocco8

    Max. RPM

    What is the maximum RPM for double mechanical seals? What is the maximum RPM for magnetic drives? How is decoupling of magnetic drives calculated? Thanks Rocco8
  5. Rocco8

    ASME code, small vessels & Lethal service

    If you have small vessels that operate at atmospheric pressure or vacuum they are outside ASME code. When are small pressure vessels >15 psig outside of ASME and what conditions dictate this? Does lethal service have any effect on this? In ASME or out of ASME? I know of a case where a...

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