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Professional Engineer & PE Exam Forum

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  1. Zach Stone P.E.

    In case you missed it: Last night's free live class recording - New AIT Practice Exam Book Launch and Solving 3 AIT Practice Problems

    In case you missed it, here is the recording of yesterday's free live class for our new AIT only practice exam book launch. Last night I solved three AIT Practice Problems from our brand new book Electrical Power PE Practice Exam: 80 AIT Practice Problems for the CBT Format. You can watch the...
  2. Zach Stone P.E.

    ⚡️ Wave Propagation and Electrodynamics [Electrical and Computer FE Exam]

    Here is an example video on how to solve wave propagation for anyone that needs help with learning electrodynamics for the Electrical and Computer FE Exam:
  3. Zach Stone P.E.

    Delta connected current transformers have a relay input current 1.73 times larger than wye connected current transformers for protective relaying

    This is a short clip taken from last semester's fall 2021 live class for the Power PE Exam on protection. In this video, I'll show you why the relay current input from delta-connected current transformers is increased by a factor of the square root of three (√3): Another way to think about...
  4. Zach Stone P.E.

    ANSI #51 Time Overcurrent Relay inverse time current curves TCC explained (Live class for the Power PE Exam Starts NEXT WEEK!)

    We are just ONE WEEK away from the start of this semester's first live class for the Power PE Exam! Next week, all students with an active enrollment will receive a calendar invitation to our first live class of the semester scheduled for January 25th, 2022. Learn about the different inverse...
  5. Zach Stone P.E.

    Jacob PASSED the Electrical Power CBT PE Exam (after two failed attempts!) July 2021

    Many of you have been asking for an interview with an engineer that had to take the PE exam more than once so you can learn exactly what they did differently in order to pass. This week I had the opportunity to speak with Jacob about how he did just that after two previous failed attempts...
  6. Zach Stone P.E.

    How to Solve Transformer Open and Short Circuit Test for the CBT Electrical Power PE Exam (Electrical PE Review)

    Transformer Open and Short Circuit Test - Example Problem: Tonight is Live Class #3 - Transformers for the new CBT format of the Electrical Power PE Exam. To help you solve transformer open and short circuit test problems, here is a new 30 minute YouTube video from last semester's...
  7. Zach Stone P.E.

    How to Solve Transformer Open and Short Circuit Test for the CBT Electrical Power PE Exam (Electrical PE Review)

    Transformer Open and Short Circuit Test - Example Problem: Tonight is Live Class #3 - Transformers for the new CBT format of the Electrical Power PE Exam. To help you solve transformer open and short circuit test problems, here is a new 30 minute YouTube video from last semester's...
  8. Zach Stone P.E.

    How to Solve DC Circuits for the CBT Electrical Power PE Exam

    Live Class #2 - Circuit Analysis for the Fall 2021 Semester starts TONIGHT at: Tuesday, July 13th, 20213 PM (PT), 4PM (MT), 5PM (CT), 6PM (ET) Will you be joining us? Click the thumbnail in the below to watch a short clip of last semester's circuit analysis live class and learn how to solve...
  9. Zach Stone P.E.

    Single-phase transmission line capacitance and capacitive reactance (NEW VIDEO)

    Did you know that the NCEES® Reference Handbook does NOT include the formula for the *total* transmission line capacitance (C)? Are you familiar with the difference between the *line-to-neutral* capacitance (C) and the *total* capacitance (C) of a single-phase transmission line? Grab your...
  10. Zach Stone P.E.

    New video - Transmission Line Bundle Conductors GMR and Radius - How to Solve (Electrical Power PE Exam)

    Calculating the GMR and radius of transmission line bundle conductors is fast and easy, so why do most engineers get it wrong on the PE exam? It's easy to confuse the variables in these formulas when working with more than one conductor per-phase (a bundle of conductors) since they look very...
  11. Zach Stone P.E.

    New video - Transmission Line Bundle Conductors GMR and Radius

    Calculating the GMR and radius of transmission line bundle conductors is fast and easy, so why do most engineers get it wrong on the PE exam? It's easy to confuse the variables in these formulas when working with more than one conductor per-phase (a bundle of conductors) since they look very...
  12. Zach Stone P.E.

    ⚡ How to pass the CBT Power PE Exam - New weekly YouTube Interviews

    Curious about the new computer-based test (CBT) format for the electrical power PE exam? Want to know what engineers that are passing the exam are doing differently? I'm interviewing one student each week to find out how they passed the new CBT Power PE Exam and posting it on YouTube to share...
  13. Zach Stone P.E.

    ⚡ 2 New Autotransformer Videos For The Weekend

    How do you feel about autotransformers for the PE exam? I took a break from interviewing engineers that have passed the new Power CBT PE Exam to post two new auto-transformer videos for the weekend. I've been receiving a lot of emails lately asking for help with autotransformers such as how...
  14. Zach Stone P.E.

    10 new digital systems and logic circuits practice problems for the Electrical FE Exam

    Last week we published 20 brand new videos for digital systems (logic circuits) to help you with the largest subject on the Electrical FE Exam. This week we just published 10 brand new practice problems for digital systems right now to go along with it. Here is a sneak peek: All 10...
  15. Zach Stone P.E.

    ⚡ Everything you need to know for Digital Systems to pass the Electrical FE Exam (Logic gates, counters, flip flops, k-maps, state machines, truth tab

    According to the FE exam specifications, there are approximately 8 to 12 questions on digital systems, making this the largest subject on the FE exam by the total number of questions! This means that how well you do on digital systems can easily be the difference in passing or failing the FE...
  16. Zach Stone P.E.

    The Reference Handbook for the Electrical Power CBT (Computer Based Testing) PE Exam was released today

    FYI the official NCEES® Reference Handbook for new CBT electrical power PE exam was just released today. The reference handbook is the ONLY reference material you'll be allowed to use during the new CBT (computer-based testing) electrical power PE exam starting January 2021. I spent the entire...
  17. Zach Stone P.E.

    How to Solve Transformer Flux, Reluctance, MMF, and Magnetic Circuits

    Magnetic circuits used to be one of my least favorite types of problems on the electrical power PE exam.It seemed overly complicated and resources that taught this type of problem were hard to find without diving too far into the subject of physics, which is beyond what the PE exam tests on...
  18. Zach Stone P.E.

    How to Solve Switched RL Circuits - The Transient (Natural) Response (Electrical FE Exam)

    Switched RL circuits can be pretty difficult. In this video, we cover how to quickly solve for iL(t), the transient (natural) response of switched RL circuits by analyzing the circuit before and after the switch is opened. Video Table of Contents: 0:16 - Problem Statement 1:10 - Transient...
  19. Zach Stone P.E.

    Diodes and Zener Diode (ELECTRICAL FE EXAM)

    In this video, we'll teach you how to solve Electrical and Computer FE problems on diodes and Zener diodes and how to tell if they are operating in forward or reverse bias. Video Table of Contents (Click to Jump): 0:00 - Introduction 0:46 - Biasing 1:30 - Idea Diodes 3:09 - Idea Diode...
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