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PE Exam Practice Problem

Welcome to SolvedIn6: Free practice problems for the Professional Engineering Exam! Each question is styled after those created by the NCEES, and is usually solved in under 6 minutes, which is the average time you will have to solve each question on the Professional Engineering Exam. In this problem, we calculate an air emission rate from a reported stack concentration. The solution focuses on using the ideal gas law and the PE reference manual to convert a volumetric flow rate and a ppmv concentration into a mass emission rate. Key steps include: 1. adjusting molar volume for temperature, 2. converting ppmv to a mole fraction, and 3. applying molecular weight to obtain the final result in lb/hr. If you would like more practice problems, please check out the rest of the playlist which this video is part of. Please note that newer versions of the reference manual may have been released since this video was recorded. The search terms are usually still correct, but the page numbers listed in the video will be different.