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Block C: Routine Trade Activities and Electrical Concepts Introduction
Acknowledgements
Accessibility
C-1 Mathematics and Science Introduction
C-1.1 Add, Subtract, Multiply and Divide Whole Numbers, Fractions, Decimals and Percentages
C-1.2 Equations and Formulas
C-1.3 Use Formulas to Calculate Perimeter, Circumference, and Area
C-1.4 Use Formulas to Calculate Volumes
C-1.5 Use Formula to Calculate Capacity
C-1.6 Perform Conversions
C-1.7 Calculate Piping Measurements
C-1.8 Use the Pythagorean Theorem of Right Angles
C-1.9 Calculate Offsets Using the Applicable Trigonometric Function
C-1.10 Calculate Required Measurements for Piping Offsets
C-1.11 Define the Properties of Matter
C-1.12 Use Pascal’s Theory of Pressure and Force
C-1.13 Use Archimedes’ Principles of Displacement and Floatation
C-1.14 Define Mechanical Advantages as it Relates to Fluid Power
C-1.15 Describe Factors that Affect Fluid Flow in a Piping System
C-1.16 Describe Factors that Affect Gas Volumes, Pressures and Temperatures
C-1.17 Calculate the Expansion and Contraction of Various Piping Materials Due to Heating and Cooling
C-1.18 Define Methods of Heat Transfer
C-1.19 Perform Heat Load Calculations
C-1.20 Describe Characteristics of Hydrocarbon Gases
Self-Test C-1.1.1: Add, Subtract, Multiply and Divide Whole Numbers, Fractions, Decimals and Percentages
Answer Key: Self-Test C-1.1.1
Self-Test C-1.1.2: Add, Subtract, Multiply and Divide Whole Numbers, Fractions, Decimals and Percentages
Answer Key: Self-Test C-1.1.2
Self-Test C-1.1.3: Add, Subtract, Multiply and Divide Whole Numbers, Fractions, Decimals and Percentages
Answer Key: Self-Test C-1.1.3
Self-Test C-1.1.4: Add, Subtract, Multiply and Divide Whole Numbers, Fractions, Decimals and Percentages
Answer Key: Self-Test C-1.1.4
Self-Test C-1.1.5: Add, Subtract, Multiply and Divide Whole Numbers, Fractions, Decimals and Percentages
Answer Key: Self-Test C-1.1.5
Self-Test C-1.2: Transpose Equations and Formulas
Answer Key: Self-Test C-1.2
Self-Test C-1.3: Use Formulas to Calculate Perimeter, Circumference and Area
Answer Key: Self-Test C-1.3
Self-Test C-1.4: Use Formulas to Calculate Volumes
Answer Key: Self-Test C-1.4
Self-Test C-1.5: Use Formula to Calculate Capacity
Answer Key: Self-Test C-1.5
Self-Test C-1.6.1: Perform Conversions
Answer Key: Self-Test C-1.6.1
Self-Test C-1.6.2: Perform Conversions
Answer Key: Self-Test C-1.6.2
Self-Test C-1.7.1: Calculate Piping Measurements
Answer Key: Self-Test C-1.7.1
Self-Test C-1.7.2: Calculate Piping Measurements
Answer Key: Self-Test C-1.7.2
Self-Test C-1.8: Use the Pythagorean Theorem of Right Angles
Answer Key: Self-Test C-1.8
Self-Test C-1.9.1: Calculate Offsets Using the Applicable Trigonometric Function
Answer Key: Self-Test C-1.9.1
Self-Test C-1.9.2: Calculate Offsets Using the Applicable Trigonometric Function
Answer Key: Self-Test C-1.9.2
Self-Test C-1.10.1: Calculate Required Measurements for Piping Offsets
Answer Key: Self-Test C-1.10.1
Self-Test C-1.10.2: Calculate Required Measurements for Piping Offsets
Answer Key: Self-Test C-1.10.2
Self-Test C-1.11: Define the Properties of Matter
Answer Key: Self-Test C-1.11
Self-Test C-1.12: Use Pascal’s Theory of Pressure and Force
Answer Key: Self-Test C-1.12
Self-Test C-1.13: Use Archimedes’ Principles of Displacement and Floatation
Answer Key: Self-Test C-1.13
Self-Test C-1.14: Define Mechanical Advantages as It Relates to Fluid Power
Answer Key: Self-Test C-1.14
Self-Test C-1.15: Describe Factors that Affect Fluid Flow in a Piping System
Answer Key: Self-Test C-1.15
Self-Test C-1.16: Describe Factors that Affect Gas Volumes and Pressures
Answer Key: Self-Test C-1.16
Self-Test C-1.17: Calculate the Expansion and Contraction of Various Piping Materials Due to Heating and Cooling
Answer Key: Self-Test C-1.17
Self-Test C-1.18: Define Methods of Heat Transfer
Answer Key: Self-Test C-1.18
Self-Test C-1.19: Perform Heat Load Calculations
Answer Key: Self-Test C-1.19
Self-Test C-1.20: Describe Characteristics of Hydrocarbon Gases
Answer Key: Self-Test C-1.20
C-2 Electrical Concepts and Principles of Electricity Introduction
C-2.1 Electron Theory and Causes of Electricity
C-2.2 Electrical Circuits
C-2.3 Wiring Diagrams and Symbols
C-2.4 Measuring Electricity
Self-Test C-2.1: Electron Theory and Causes of Electricity
Answer Key: Self-Test C-2.1
Self-Test C-2.2: Electrical Circuits
Answer Key: Self-Test C-2.2
Self-Test C-2.3: Wiring Diagrams and Symbols
Answer Key: Self-Test C-2.3
Self-Test C-2.4: Measuring Electricity
Answer Key: Self-Test C-2.4
C-3 Drawings and Specifications Introduction
C-3.1 Describe the Drafting Tools and Materials Tools
C-3.2 Use Scale Rulers to Determine Actual Dimensions from a Piping Diagram
C-3.3 Describe Piping and Fixture Symbols Used in the Piping Trades
C-3.4 Describe Lettering and Dimensioning of Piping Diagrams
C-3.5 Describe Drawing Projections
C-3.6 Use Drawing Projections
Self-Test C-3.1: Describe Drafting Tools and Materials
Answer Key: Self-Test C-3.1
Self-Test C-3.2: Use Scale Rulers to Determine Actual Dimensions from a Piping Diagram
Answer Key: Self-Test C-3.2
Self-Test C-3.3: Describe Piping and Fixture Symbols Used in the Piping Trades
Answer Key: Self-Test C-3.3
Self-Test C-3.4: Describe Lettering and Dimensioning of Piping Diagrams
Answer Key: Self-Test C-3.4
Self-Test C-3.5: Describe Drawing Projections
Answer Key: Self-Test C-3.5
Self-Test C-3.6.1: Use Drawing Projections
Answer Key: Self-Test C-3.6.1
Self-Test C-3.6.2: Use Drawing Projections
Answer Key: Self-Test C-3.6.2
C-4 Codes, Regulations and Standards Introduction
C-4.1 Identify Organizations, Code and Standards Affecting the Pipe Trades
C-4.2 Describe Where the Various Codes and Standards are Encountered Within the Pipe Trades
C-4.3 Identify Various Environmental Agencies with Concerns to Sewage Disposal
Self-Test C-4.1: Identify Organizations, Code and Standards Affecting the Pipe Trades
Answer Key: Self-Test C-4.1
Self-Test C-4.2: Describe Where the Various Codes and Standards are Encountered Within the Pipe Trades
Answer Key: Self-Test C-4.2
Self-Test C-4.3: Identify Various Environmental Agencies with Concerns to Sewage Disposal
Answer Key: Self-Test C-4.3
C-5 Manufacturer and Supplier Documentation Introduction
C-5.1 Describe Documentation Encountered in the Pipe Trades
C-5.2 Describe Information Contained in Manufacturer and Supplier Documentation
C-5.3 Describe How to Use the Internet to Source Manufacturer's Documentation
Self-Test C-5.1: Describe Documentation Encountered in the Pipe Trades
Answer Key: Self-Test C-5.1
Self-Test C-5.2: Describe Information Contained in Manufacturer and Supplier Documentation
Answer Key: Self-Test C-5.2
Self-Test C-5.3: Describe How to Use the Internet to Source Manufacturer's Documentation
Answer Key: Self-Test C-5.3
Appendix A: Math Web Links
Appendix B: Metric Unit Symbols and Relationships
Appendix C: Imperial (U.S.) units
Appendix D: Perimeter, Area, and Volume Formulas for Shapes
Plumbing Apprenticeship & Trade Resources in BC
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Block C: Routine Trade Activities and Electrical Concepts Copyright © 2026 by Skilled Trades BC, TRU Open Press is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.