I took the HVAC depth in April of this year and afternoon was pretty difficult. Some of the questions were so hard it wouldn't have mattered how much I studied. In fact I presented some similar problems to some seasoned PEs back at the office and they didn't know where to start. Then there...
Yes current MERM is necessary. Had a friend that spent a lot of time studying with an old MERM and failed by just one or two questions that were answered easily in the latest edition. I think it would be worth the $200 to not have to study for the exam again.
Those practice problems were very irritating to me...and it really threw my confidence off in the beginning too. Although it may be helpful in the beginning to kind of bring you up to speed and get your brain thinking. The frusterating thing is that a majority of the problems were so difficult...
Good luck man. I'm sure you will get it this time around. Especially if you could get close with 50 hours...
I took HVAC in April and studied about 160 hours and passed. Although I think study time is a very individual deal. I have friends that studied around 120 hours and had no problem...
Seriously, I'm sorry to say, but these responses do not seem very helpful.
I would say take a look at the NCEES practice test and study the morning material to that level. Don't worry about the 1 hour problems in the MERM for morning sections. Most of those "1 Hour" questions in the MERM...
I passed HVAC in Idaho! Longer I waited the more confident I felt...until the last couple days then I started second guessing myself. Just glad to have it over!
I did mechanica/HVAC. I feel like I passed, but definately didn't ace it. I had to guess on about 8 in the morning and 8 in the afternoon. Half of those were educated meaning I could elimated 1 or 2 answers. The other half was a blind guess. After coming home and checking I realized I guessed...