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UNIT 203

Scientific Principles

This explains the underpinning science behind some of our actions as plumbers.

Your Progress
Lesson
 Quiz
 Short Answer
1.1

Electricity

Electrical principles relevant to plumbing science
📖 Further reading Ohm's Law and Power Law →
1.2

Heat

Conduction, convection, radiation, and heat transfer
1.3

Relative Density, Expansion and Combustion

How materials behave under temperature and pressure changes
📖 Further reading Thermal Expansion for Plumbers →
2.1

Intro to Water

Properties of water, the water cycle, and states of matter
2.2

Pressure and Flow

Static head, dynamic pressure, and flow rates
📖 Further reading Pressure and Force in Plumbing →
2.3

Hard and Soft Water

Temporary and permanent hardness, limescale, and treatment
3.1

Corrosion and Properties of Materials

Electrolytic action, dezincification, and material selection
Unit 203 — Scientific Principles

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