I have bought a few used books myself, and some new. Used books ae great as long as they are not overly worked up. (Few written notes here and there are fine) Some of my primary references like Metcalf, Cooper and sample exam books were all used. They worked great for me. I have loaned all my...
You need to know how to solve problems in fluid statics , dynamics and open channel flow. Thermodynamics- not so much but maybe a few concepts. By Dynamics I mean Fluid equipment- Pumps, motors, power, etc. If you look at the NCEES Sample exams which you can purchase on their website you will...