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in my studies I've seen little reference to external flow. drag, lift, flow profiles, ect. How much time should I spend on external flow during my studies?

A water system with a capacity of 100 gpm has a total head of 240 ft at the suction line of a single-stage two pole, centrifugal pump. The maximum efficiency for the pump is most nearly? I understand that one can use the flow rate, motor data, and head added (ha), to calculate the specific...

Im working through Otto, diesel, Brayton cycles ect. Is it proper to assume cold air standard analysis for these systems, i.e. constant specific heats? The MERM indicates that the ideal gas law makes this assumption implicitly. Does the PE exam indicate which approach we should take for each...

I plan to take the T/F depth module during the Oct. Exam how much time/effort should I spend studying dynamics, vibrations, and machine design? Thanks

It's roughly eight weeks out. I've got roughly 150 hours of studying in so far and I still feel really unprepared. I just received the T/F SMS workbook in the mail this weekend. I read over a few of the problems and felt quite discouraged. I'm going to up my studying from 25 hours to 30 per...