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Trades Exam Prep

Trades Exam Prep

By: 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® Education
Episodes
  • FAA Part 107 Drone Exam Prep 48, Night Vision Physiology — Autokinetic Effect and Illusions

    FAA Part 107 Drone Exam Prep 48, Night Vision Physiology — Autokinetic Effect and Illusions
    Jun 15 2026
    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 autokinetic effect is when a stationary light appears to move; mitigate it by continuously scanning the sky and not fixating on the light. - Recognize night illusions like the false horizon, where sloping clouds or ground lights are mistaken for the actual horizon, leading to disorientation. - Optimal dark adaptation for night vision takes approximately 30 minutes, a key testable fact on the FAA Part 107 exam. - Preserve night vision by using a red flashlight and avoiding bright white lights from phones or other sources before and during a flight. - Physiological factors like age, fatigue, smoking, and altitude can significantly impair your night vision capabilities. 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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    3 mins
  • FAA Part 107 Drone Exam Prep 47, Night Operations — Anti-Collision Lighting

    FAA Part 107 Drone Exam Prep 47, Night Operations — Anti-Collision Lighting
    Jun 14 2026
    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: - Anti-collision lights are mandatory for all drone operations during civil twilight and at night, as per 14 CFR Part 107.29. - The lights must be visible for a minimum of 3 statute miles, a specific number frequently tested on the exam. - The required flash rate is defined by its purpose—being sufficient to avoid a collision—not by a specific number of flashes per minute. - A common exam trap is to confuse the single required anti-collision light with the red, green, and white navigation lights used on manned aircraft. - The Remote Pilot in Command has the authority to reduce the light's intensity for safety, such as preserving night vision, but cannot turn it off completely during the operation. 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 mins
  • FAA Part 107 Drone Exam Prep 46, Vision and Scanning Techniques

    FAA Part 107 Drone Exam Prep 46, Vision and Scanning Techniques
    Jun 13 2026
    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 FAA-approved method for systematically scanning the sky in 10-degree segments. - How empty field myopia creates a hazard by causing your eyes to lose focus at a distance. - The different roles of central and peripheral vision in detecting and identifying air traffic. - The correct technique of looking slightly off-center to spot objects in low-light conditions. - Why sunglasses can reduce contrast and which lens color is recommended for pilots. 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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    3 mins
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