Recent content by tmerc

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    Automotive Convert car exhaust NOx emissions from g/mile to ppm

    so at 30 mpg, itd be .033 gallons per mile. how could i find how much air it takes to burn it?
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    Automotive Convert car exhaust NOx emissions from g/mile to ppm

    lets say its a 30 mpg car with an air consumption of .2 kg/min
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    Automotive Convert car exhaust NOx emissions from g/mile to ppm

    Can anyone help me out and tell me what the average amount of ppm of NOx is in car exhaust with a catalytic converter? I found .4 grams per mile and can't seem to find any kind of conversion, but I am trying to compare it to another ppm measurement so it needs to be in ppm. Thank you
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    Chilled water loop pressure and velocity

    Correct me if i am wrong, the pressure drop is causes by the friction on the inside of the pipe?
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    Chilled water loop pressure and velocity

    Where i work has a chilled water loop to every building for the ac system. A rooftop unit has not been performing as it should so we are investigating into the possible causes. Right now i am trying to come up with the different variables that accompany the givens. I know the pipe is 2.5", the...