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2019 PE PREP GUIDE

ERRATA & UPDATES
Every attempt is made for accuracy in every portion of the guide. It pains me to find mistakes, but I post them here in an effort for complete clarity and most importantly to aid in better exam prep.

I greatly appreciate any and all feedback from users in improving this guide. All of these updates are incorporated for future editions.

2019 PE Prep Guide Errata:
​

Formula 2.3 (p41): Flame height for wall configurations should use convective heat release rate, not total heat release rate. [ zl=0.166(Qc*/k)^0.4, not zl=0.166(Q*/k)^0.4 ]. This is incorrectly identified in FPH p18-45 Formula (2). NFPA 92 references convective heat release rate and is a recognized, adopted standard.
Formula 8.16 (p79): Temperature inputs should be in Rankine (R), not Fahrenheit (deg F)
Question #156: The question would have to clarify which occupancy is used. Mercantile - Bulk Retail results in a different answer than just Mercantile.

Index (p379): The item "Separation Distance of Storage Tank" at page 263 no longer applies.

[​End of Errata]
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  • Blog
  • Forum
  • PE Exam
    • PE Forum & Errata
    • PE Problems
    • PE Store
    • PE Tools
    • PE Prep Series
  • TOOLS
    • TOOLKIT (FREE TRIAL)
    • *TOOLKIT (PURCHASE)
    • SUBMIT AN IDEA
    • BACKFLOW DATABASE*
    • CLEAN AGENT ESTIMATOR
    • CLOUD CEILING CALCULATOR
    • DOMESTIC DEMAND
    • FIRE PUMP ANALYZER
    • FIRE PUMP DATABASE*
    • FIRE FLOW CALCULATOR*
    • FRICTION LOSS CALCULATOR
    • HANGER SPACER
    • IBC TRANSLATOR*
    • K-FACTOR SELECTOR
    • NFPA 13 EDITION TRANSLATOR ('19 ONLY)
    • NFPA 13 EDITION TRANSLATOR ('99-'19)*
    • LIQUIDS ANALYZER*
    • OBSTRUCTION CALCULATOR
    • OBSTRUCTIONS AGAINST WALL*
    • PLUMBING FIXTURE COUNTS
    • REMOTE AREA ANALYZER
    • QUICK RESPONSE AREA REDUCTION
    • SPRINKLER DATABASE*
    • SPRINKLER FLOW*
    • TEST & DRAIN CALCULATOR
    • THRUST BLOCK CALCULATOR
    • TRAPEZE CALCULATOR
    • UNIT CONVERTER
    • VOLUME & COMPRESSOR CALCULATOR
    • WATER SUPPLY (US)
    • WATER SUPPLY (METRIC)
  • TOOLKIT
  • LOGIN
  • STORE
  • About