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Repaso para oficiales10 items · about 2 hours

Repaso para oficiales

For the ticket-holder who has not touched a delta-wye bank since school, the apprentice about to write, or anyone asked a question on site they should know the answer to. Each refresher is one page you can read on your phone in the truck: the idea, the numbers, the traps, and a short quiz. The practice exam pulls every question from the third-year, fourth-year and refresher material — with a set of first- and second-year fundamentals — into one bank you can filter.

Comes after: Third year · Fourth year

The refreshers

  1. Journeyman practice exam Over a hundred questions across the program with explanations. Filter by topic or year; your progress is kept. Quiz 30 min
  2. Rusty on three-phase math? Line and phase, the √3, power and current in both directions — the whole kit on one page with worked checks. Lesson 9 min
  3. Rusty on transformer connections? The four bank connections, what each secondary gives you, and the checks before you energize. Lesson 9 min
  4. Motor troubleshooting flowcharts Will not start, trips on start, runs hot, noisy — a flowchart for each, from the supply to the shaft. Lesson 10 min
  5. The troubleshooting method Symptom, known-good, half-split, prove it, fix it, prove the fix — the loop every good troubleshooter runs. Lesson 8 min
  6. Meter safety re-cert refresher CAT ratings, test-before-touch, live-dead-live, leads and fuses — the things a meter re-cert checks. Lesson 8 min
  7. Rusty on PLCs? The scan, XIC and XIO, the NC stop-button trap, latches, timers and counters, and forcing — safely. Lesson 9 min
  8. Rusty on VFDs? The parameters you set on every drive, the trips you will see, and what to check before you blame the drive. Lesson 9 min
  9. Rusty on load calculations? The method in ten steps, the traps (demand twice, wrong voltage), and the arithmetic that turns VA into amps. Lesson 9 min
  10. Journeyman formula card Three-phase, transformer, motor, power factor, fault current and 4–20 mA formulas on one printable card. Lesson 5 min

About the practice exam

The questions test concepts, arithmetic, method and safety — the parts of the exam you can study for away from the book. None of them ask you to recall a table value or a rule number: the real exam is open-book for those, and the skill is finding them fast, which the code-book navigation lesson covers.

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