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Can this problem's second half be solved by using enthalpies and a control volume around the room, rather than considering a control volume around the coil looking at heat loads of the room+the outside air? Using Control Volume of the Room: Mass leaving coil*enthalpy leaving coil + LH+SH= mass...

Thank You @Slay the P.E. . I was looking at this chart Pressure Loss in Steel Pipes Schedule 40 The PPI book I have uses numbers more in line with the link above. The book calls out 8 and 10 in schedule-40 steel pipe and uses 1.56 and 0.5 . "The head loss per 100 linear feet of pipe, hf, can...

I was looking at 8 inch and 10 inch steel pipe friction head loss per 100 ft for 1000 gpm flow. seems to be off by a factor of 2 from what I found online and in the solutions for TFS PPI 6 minute problems 3rd edition section 3 question 7. I have not checked for any other values. I read head loss...

What is the process for exam questions that require material that is incorrect in the Reference Book? I am finding the same problem with steel pipe friction tables 3.4.2.11 . I am using reference book 1.4. During the exam, will we be expected to use the incorrect table, or go into it memorizing...