Duct Narrows: Where Does Static Pressure Go?

What's Actually in the PE Handbook? Heat Transfer

Partial Pressure Explained for the PE Exam

PE Thermo: When Steam Table Subtraction Works

Psychrometrics: SHR and Coil Performance

Parallel Heat Transfer Paths on the PE Exam

PE Exam Motors: Output vs Input Power

MPEP-E45: He Didn't Touch Engineering for 4 Years — Then Passed the PE Exam

MPEP-E44: He Waited 10 Years — Then Passed the PE in 8 Weeks

Psychrometric Mixing Problems: Mass vs. Volume Flow Rates — PE Exam Walkthrough

Sensible vs Latent Heat: When Does q = mCpΔT Apply?

MPEP-43: Didn’t Pass the Mechanical PE (TFS) the First Time? Listen to This.

Film Temperature vs Room Temperature in Convection Heat Transfer Problems (HVAC Practice Exam #34)

Motor vs Pump Efficiency Explained | When to Use Each in Hydraulic Systems (PE Exam Prep)

MPEP-42: Failed the PE Once. Passed the Second Time by Changing This

MPEP E41: Not a Design Engineer? Why You Can Still Pass the PE Exam

HVAC NPSH Explained: When to Use Design vs Existing Conditions NPSHA Equations

Engineering Economics Made Simple: How to Use Economic Factor Tables (P, F, A, G) for the PE Exam

MPEP-E40: Physical Goals, Mental Grit, and PE Exam Victory

HVAC Psychrometrics Explained: Latent Heat, Ventilation CFM & Pool Evaporation Calculations

MPEP-E39: Slow Is Fast - The Counterintuitive Strategy To Pass the Mechanical PE Exam

MPEP-38: How Andrew Turned a PE Exam Setback into a Major Comeback

MPEP-E37: How Malachi Passed the PE Exam Just Months After Graduating

Mechanical FE Exam Prep Fundamentals | Economics - Cash Flow Diagrams

Mechanical FE Exam Prep Fundamentals | Measurement Instrumentation and Controls - Temperature Sensor

Mechanical FE Exam Prep Fundamentals | Electricity and Magnetism - Electrostatics

Mechanical FE Exam Prep Fundamentals | Probability and Statistics - Set Theory

Mechanical FE Exam Prep Fundamentals | Math - Lines

What Finally Worked: Breaking Through PE Exam Roadblocks

Mechanical FE Exam Prep Fundamentals | Material Properties and Processing - Electrical Properties

Mechanical FE Exam Prep Fundamentals | Heat Transfer - Conduction Through a Plane Wall

Mechanical FE Exam Prep Fundamentals | Mechanics of Materials - Stress and Strain

Avoiding Condensation in Skylight Design: Heat Transfer & Dew Point Explained | TFS Psychrometrics

Mechanical FE Exam Prep Fundamentals | Statics - Systems of Forces

Mechanical FE Exam Prep Fundamentals | Mechanical Design and Analysis - Threaded Fasteners

Mechanical FE Exam Prep Fundamentals | Dynamics - Constant Acceleration

Calculate Heat Pump COP with p-H Diagram | Carnot Cycle, Enthalpy & Refrigerant Data Explained

Mechanical FE Exam Prep Fundamentals | Fluids - Fluid Properties

Heat Pump vs Chiller Explained: COP Differences, Applications, and Refrigeration Cycle Basics

Mechanical FE Exam Prep Fundamentals | Thermodynamics - Properties of Substances

Understanding Dew Point & Condensation: HVAC Basics Explained with Psychrometric Charts

Inside the 2025 Mechanical PE Exam Spec: What's Really Changing?

Lunch Breaks and Late Nights: Studying for the PE with a Growing Family

HVAC Cooling Load Calculations Explained: When to Exclude Occupant Heat & Use the Enthalpy Formula

Universal vs. Specific Gas Constant Explained | Thermodynamics Basics for Engineers

MPEP-E33: Missionary to PE - An Unconventional Path to Licensure

MPEP-E32: When Your Brakes Fail on PE Exam Day (And You Pass Anyway)

Brake vs. Water Horsepower in HVAC | Pump Efficiency, Fluid Power & Specific Gravity Explained

Thermodynamic Equations: Entropy, Pressure-Temperature Ratios & Algebra in HVAC Explained

MPEP-E31: Engineering with Purpose: How Faith & Grit Led to PE Success

Understanding Pump Curves & System Curves | Parallel Pump Operation Explained for Engineers

MPEP-E30: NASA Engineer Shares His PE Exam Struggles & Success

Reversible Heat Engines: Heat Pumps vs. Air Conditioners | Carnot Efficiency & COP Explained

MPEP-E29: Time Management on Exam Day: Nitish's PE Success Story

MPEP-E28: Suvam's Secret to PE Exam Success? Solving Problems in Different Ways

HVAC Duct Design Essentials: Total Pressure, Bernoulli & Airflow Dynamics

Enthalpy Wheels vs. Air-to-Air Heat Exchangers: Energy Recovery & Efficiency Explained

MPEP-E27: Slow & Steady to All In: How Moh Adapted His PE Study Plan

Understanding Open Channel Flow: Hydraulic Diameter, Reynolds Number, and Practical Applications

MPEP-E26: Seven Years, Five Attempts: Kevin’s Path to PE Exam Victory