Mechanical PE Exam Prep – HVAC & Refrigeration Fundamentals

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Mechanical PE Exam Prep – HVAC & Refrigeration Fundamentals

In under 5 hours learn everything you need to know before you start studying for the Mechanical PE Exam so you can make the best use of your time and go directly into the most important concepts.

Course curriculum

1 Introduction

Introduction
Course Overview

2 Properties of a Substance
Mass
Temperature
Pressure
Density
Specific Volume
Internal Energy
Enthalpy
Entropy
Specific Heat
Latent Heat
Quality

3 Steam Tables
Turbine Example
Saturated Steam
When To Use
Looking Up Properties
Interpolating
Cycles and Quality
Superheated Steam
Subcooled Steam
Pressure Cooker

4 Ideal Gases
Universal Gas Constant
PVNRT
PVMRT
Properties
Processes Part 1
Processes Part 2
Open and Closed Systems

5 First Law Of Thermodynamics
Closed Systems
Closed Systems Example
Open Systems
Steady Flow Energy Equation Part 1
More on SSFEE

6 Fluid Flow
Laminar Flow
Turbulent Flow
Reynolds Number Part 1
Reynolds Number Part 2

7 Friction Loss
Intro
Friction Factor
Darcy Equation
Pressure vs. Length Units

8 Pumps
Hydraulic Horsepower
Pump Efficiency
Net Positive Suction Head
Cavitation
Local Analysis
Extents Analysis
Bernoulli Equation Revisited

9 Heat Transfer
Thermal Conductivity
Rate of Heat Transfer
Conduction Through a Flat Plate
Convection Through a Film
Conduction Through a Pipe
Lumped vs. Distributed
Characteristic Length
Overall Heat Transfer Coefficient
Forced Convection
Radiation

10 Heat Exchangers
Intro
Parallel Flow
Counter Flow
Log Mean Temperature Difference
Total Heat Transfer

11 Refrigeration Cycles
Intro
Refrigerators and Heat Pumps
Refrigeration Device Schematic
Refrigeration Processes
Pressure-Enthalpy Diagram
Coefficient of Performance
Energy Efficiency Ratio
Refrigeration Capacity

12 Chilled Water Systems
Overview
Chilled Water Side
Condenser Water Side

13 Cooling Towers
Principles
Sketch
Terms
Water Side Economizer

14 Psychrometrics
Intro
Dry Bulb, Wet Bulb, & Dew Point
Humidity Ratio
Relative Humidity
Enthalpy & Specific Volume
Process Lines
Humidity Control by Reheating with Bypass

15 Cooling Loads
Internal Heat Sources
Latent Heat Sources
Cooling Losses
Ventilation
Thermal Lag & CLTD
Refrigeration Tons & Heating Loads

16 Ventilation
Intro
Outside Air Handling Unit
Ventilation Rate Procedure

17 Air Handling Equipment
Types
Questions
Fan Affinity Laws, Power, & Efficiency
Friction Loss in Ductwork

18 Conclusion
Further Recommendations
Course Notes

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