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Waross: Nice simplification of the problem. I like it! With all these great answers, I will be an expert in no time! Thanks...

Thanks IRstuff, Thanks for the comparison to balancing chemical reaction equations and I will check them out. I'm an industrial Energy Manager and have not done a thing with Chemistry since college days a few decades ago. :) My field in energy management requires a cursory knowledge of...

Thanks for the correction and sending the luck!!!

xnuke: I am pleased to let you know that I have worked through your response and have learned a lot from your guidance. You assumed that I knew some things that I did not, but I went and figured it out, which is a good thing. I struggled with the density and constant pressure (P and CP) as it...

xnuke: this is terrific. I still have to work with this a little more to be absolutely sure I understand it and it looks pretty straight forward. Thank you so much!

OK, so I did some math and I came up with 40 GPM. Now is it coincidence or is the the way to go about solving this word problem. We have 20 degrees going out and 10 degrees coming in. Therefore using q-out / q-in we have 20/10=2. The word problem says COP is .8 and I think the word problem...

I also see what you mean. Answer III is 40 gpm. Good catch and sorry I put the wrong answer. Now I just have to figure out how to get to 40 gpm and will use your suggested approach. I'm very guilty of getting so wrapped up in trying to figure out the hard part, I miss an easy detail. Thanks...

IRstuff: Thank you for your effort. I will see if I can adopt the thought process you suggested and see where it leads me. I will post back if and when I figure out how we get to 45gpm. Some of these questions have been wrong, so your 40 gpm might be correct. Thanks for the tip!!!

While you may not be able to step right into "Energy Engineering" you can absolutely get gainfully employed in the energy efficiency industry. I am working on getting a Certified Energy Manager certification through the Association of Energy Engineers. It's a one week intensive class with an...

Hi, I am studying for an exam through the Association of Energy Engineers and a practice question has me completely stumped. I am hopeful that someone could point me in the right direction and I will figure the rest out. To be honest, I do not even understand the question and I have gone down...