USPS mechanics 955 Study Guide

Preparing for the USPS Postal Exam 955? This is the most complete interactive study guide available — built as a fully organized Excel workbook you download once and keep forever.

Unlike static PDFs or expensive subscription sites, this is a living study tool you can actually work in.

📋 WHAT'S INSIDE — 22 TABS

✅ Electrical Systems & Electronics

✅ Mechanical Systems & Power Transmission

✅ Hydraulics & Pneumatics

✅ Shop Practices & Welding

✅ Troubleshooting Methods

✅ Motors & Motor Controls

✅ Logic Gates & PLCs

✅ Variable Frequency Drives (VFDs)

✅ Refrigeration & HVAC

✅ Pumps & Conveyor Systems

✅ PPE & Fire Extinguishers

✅ Spatial Reasoning

✅ Interview Prep (STAR Method)

✅ Interactive Formula Calculator (40+ live calculators)

✅ Full 60-Question Practice Test with Answer Key

⭐ WHAT MAKES THIS DIFFERENT

142 domain-specific practice questions with full explanations — not just answer letters

▸ Real USPS sample test questions integrated and carefully filtered

▸ Built-in answer reveal system — type A, B, C, or D and the correct answer appears automatically

▸ 40+ live formula calculators — enter your values, get instant results (Ohm's Law, gear ratios, transformer ratios, hydraulic force, and more)

▸ Plain-English explanations written for working technicians

▸ Works in Microsoft Excel or Google Sheets

▸ One-time purchase — yours forever, no subscription, no expiration

───────────────────────────── 👷 WHO THIS IS FOR ───────────────────────────── Anyone applying for USPS Maintenance Mechanic (MM), Maintenance Mechanic MPE, Electronics Technician (ET), Building Equipment Mechanic (BEM), or Area Maintenance Technician (AMT) positions.

The 955 exam requires a minimum score of 70 to pass. A failing score means a 6-month wait before you can retest. This guide gives you the best possible preparation across every domain.

📥 INSTANT DIGITAL DOWNLOAD

Your file is available immediately after purchase. No shipping. No subscription. No expiration. Open in Excel or Google Sheets and start studying today.

Published by Southport Apps, LLC — Updated for 2026–2027