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Looking at cold weather psychrometric charts, it appears that air at around -23F or so has enthalpy of less than zero. How is this possible? http://www.homepower.com/sites/default/files/uploads/Psychrometric_Chart.jpg

I called the board today and they said they don't even have the scores yet. They said it usually takes 3-5 weeks.

I called the NY board today as the "next steps" link from NCEES just links to the info page about registering for the Spring exam. The lady on the phone said they don't even have the results yet and it will take at least 3 weeks. Does anyone know what happens next in terms of the registration...

Passed Mechanical HVAC in NY

Ok thanks. I should be able to just fit everything into 2 backpacks then.

I'm not taking that many books but more than will fit in one backpack or could be carried easily - Lindeburg manual, review problems, 6MS, Quick Ref, Practice Exam, one binder with notes, psych charts and ASHRAE standards, and 5 ASHRAE books. I'm wondering if I bring them in bags, what I am...

Do all testing centers have somewhere to lock up your stuff? I am taking it at Pratt in Brooklyn so I won't be driving so I can't just leave my phone, bags, etc. in my car. Not sure how to transport my reference material though.

Did the afternoon half (HVAC) of the practice exam yesterday. Definitely much harder than the morning but still got 31/40 on it for a total of 66/80 so I'm feeling pretty good. Still cracking away though.

Just took the first half of the practice exam and got 35/40 so feeling pretty good. Going to try the depth half tonight and see how that goes.

I understand that Q76 has a similar methodology to Q67, however in Q67 the solution uses the default combined rate but Q76 uses the per person rate, this is the source of my confusion.

I found this confusing at first as well based on what is on the chart Delta h / Delta Humidity. However, it is as simple as just using the enthalpy of the steam. Think of it this way, if you add one pound of steam to the air, you are adding 1163.9 BTU AND One pound of moisture. So Enthalpy goes...

I wanted to see if anyone who has taken the PE exam if they had any input on using incorrect answers to find the correct answer based on them being distractors based on common mistakes. For example, in 6MS book, on flow rate problems that require a conversion from minutes to hours or seconds...

Maybe I'm missing something but I have a disagreement with 2 of the ventilation rate questions in the HVAC 6 Minute Solutions Book. Question 66 refers to a "research facility", so I thought the appropriate thing to do would be to use the ventilation rates for a lab (10 cfm/person + .18...

I am currently waiting for my state board to approve my PE application. They have already approved me to take the FE. My plan as of now is to take both on the same weekend in April (PE on 4/11, FE on 4/12) so that I only have to study once. My problem is that I really don't know where to begin...