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Good luck guys ,, few days to the exam .

Did anyone have the Ammonia Press-enthalpy diagram ? Please post here

In problem 27 (Hvac 6-min) , how did he found the slop 1163.9 ??? I can't get it by delt h at (70 db , 20 rh )- 50 dew point .

In California state , To get the PE license they asked for 5 reference , these reference they have to be PE or not ?

In California state , To get the PE license they asked for 5 reference , these reference they have to be PE or not ?

In California state , To get the PE license they asked for 5 reference , these reference they have to be PE or not ?

I'm preparing for PE exam on April , any free unit conversion can be downloaded ?

I'm looking for ammonia tables ( steam , superheated and P-H diagram ) , any recommended website that I can downloaded these tables ?

Guys would you recommend for me which the best practice books for the HVAC pe exam , I know 6mints ! Any book contain questions from last exams ? Thanks in advance Thanks

Problem No. 73 , do anyone knows how Af ( fitting area ) =4ft

Please advise me what's the best study materials I have to have to pass the exam beside MERM lindeburg , my friend an electrical engineer and he found in a website specific for electrical PE examiner( like a cafe) a study materials from the last year exam questions . Do we have the same as a...