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  1. BradyD

    Clarifier Redundancy

    All - Probably a stupid question regarding clarifier redundancy. A plant has a flow of 9 MGD with 3 clarifiers. Ignore redundancy. I take this to mean if one clarifier goes down, the others DO NOT need to pick up the additional 3 MGD. Therefore, solving a problem with this statement I...
  2. BradyD

    Help Needed: Concentrations from Flow

    Thank you, that's a huge help!
  3. BradyD

    Help Needed: Concentrations from Flow

    Hi All - I hope this is posted in the correct place. I'm in the midst of studying for the PE, but there's one problem on the NCEES practice exam that I can't quite wrap my head around. I'm going to truncate it for fear of reprisal from NCEES. You are given 20,000 gpd of sludge flow, with 2%...
  4. BradyD

    Temperature rise of concrete cylinder engulfed in fire

    Hi all, I have a problem that I am having difficult working through. I am trying to calculate the temperature rise on a large concrete cylinder in the middle of a circular, 400 gallon diesel fire. (i.e., the diesel is spilled in a large circle and the cylinder is smack dab in the middle)...

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