『Trades Exam Prep』のカバーアート

Trades Exam Prep

Trades Exam Prep

著者： Ran Chen EA CFP®
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Trades Exam Prep is a free, daily podcast by OpenExamPrep covering the most in-demand skilled trades licensing and certification exams — including EPA 608 (HVAC refrigerant), FAA Part 107 (drone), Master Electrician, Plumber, General Contractor, ASE automotive, NATE, OSHA 10/30, Welder Certification, and more. Each 5-minute episode breaks down one exam topic with concrete examples, common exam traps, code references, and field-ready memory tricks to help you pass on your first attempt. No fluff, no filler — just the concepts you need to know, explained the way the exam tests them. This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP designation. He is passionate about opening access to high-quality exam preparation for everyone — from journeyman to master license, from apprentices to seasoned tradespeople. For free practice questions, AI-powered explanations, flashcards, and full study guides, visit https://open-exam-prep.com/ Subscribe and listen daily — your license is closer than you think.Copyright 2026 Ran Chen, EA, CFP® 教育
エピソード
  • EPA 608 Prep 4, CFC, HCFC, and HFC Refrigerants — What's the Difference

    EPA 608 Prep 4, CFC, HCFC, and HFC Refrigerants — What's the Difference
    2026/07/13
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The key chemical difference (the presence of chlorine and hydrogen) that defines CFCs, HCFCs, and HFCs. - Why CFCs have the highest Ozone Depletion Potential (ODP) and were phased out under the Montreal Protocol. - The role of HCFCs like R-22 as transitional refrigerants and the importance of the January 1, 2020 production ban. - The most common exam trap: Understanding that HFCs have zero ODP but a high Global Warming Potential (GWP), leading to their current phase-down under the AIM Act. - A simple mnemonic to quickly recall the environmental impact of each refrigerant class during the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    5 分
  • EPA 608 Prep 3, The Montreal Protocol and the Ozone Layer

    EPA 608 Prep 3, The Montreal Protocol and the Ozone Layer
    2026/07/12
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The direct link between the 1987 Montreal Protocol and the phasing out of ozone-depleting CFCs and HCFCs. - How a single chlorine atom from refrigerants can destroy up to 100,000 ozone molecules in the stratosphere. - The difference between Clean Air Act Section 608 (stationary equipment) and Section 609 (motor vehicle AC). - A common exam trap: confusing the Montreal Protocol (ozone) with the Kyoto Protocol or Kigali Amendment (climate change). - The mnemonic "Montreal Ozone" to remember the treaty's primary purpose on the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    4 分
  • EPA 608 Prep 2, The Four Certification Types — Type I, II, III, and Universal

    EPA 608 Prep 2, The Four Certification Types — Type I, II, III, and Universal
    2026/07/11
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Type I certification is strictly for small appliances containing 5 pounds or less of refrigerant that are also hermetically sealed in a factory. - Type II certification covers the most common high-pressure systems, like residential and commercial AC, with a heavy exam focus on leak repair trigger rates for systems over 50 lbs. - Type III certification is for low-pressure appliances, such as centrifugal chillers, where the main exam topic is air and moisture leaking *into* the system because it operates in a vacuum. - The rupture disc on a low-pressure chiller, a key Type III exam fact, is set to 15 psig to prevent system damage from over-pressurization. - Universal certification is not a separate exam but is earned by passing all four individual sections: Core, Type I, Type II, and Type III. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    4 分
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