The Engineering (and other homework) Thread - Help me study!! - Page 11

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Thread: The Engineering (and other homework) Thread - Help me study!!

                  
   
   
   
  1. #101
    Quote Originally Posted by onefatsurfer View Post
    I wonder if I can bring an ipod to the exam... ?
    I'm gonna guess no.
    aka Tedenby21

  2. #102

  3. #103
    Quote Originally Posted by selyar View Post
    .88 what/hr?
    exactly what i was thinking haha. that why i didn't try hard to figure it out.
    aka Tedenby21

  4. #104
    I think It's number of exchanges of air aka I

  5. #105
    Quote Originally Posted by Dr. Doom View Post
    I'm gonna guess no.
    they say to bring ear plugs. so what if mine play led zeppelin?

  6. #106
    is this like an HVAC class? i never had to do this stuff.

    from what's here, doesn't it depend on how efficient the exchange is? like, who cares how many exchanges there are, but how good is the filter?

    so if i assume it's .88% efficient i get 1.3

    but i know nothing about this.

  7. #107
    its called physical principles of environmental science. its all about mass and energy balances

  8. #108
    it was weird because normally we use K and we know the decay rate and not the air exchange rate but im pretty sure they are the same thing because they both account for a loss per time

  9. #109
    i set up a transient problem with different boundaries and got 1.04 then i solved it steady state and got 1.4 so i know i had to be at least close to the answer

  10. #110
    i think the actual answer involves calculus which i hopefully got right on the test lmao

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