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UNIT 203

Scientific Principles

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

Your Progress
Lesson
 Quiz & Tasks
 Short Answer
1.1

Electricity

Electrical principles relevant to plumbing science
Quiz Flashcards
📖 Further reading Ohm's Law and Power Law → Circuits and Cables for Plumbers →
1.2

Heat

Conduction, convection, radiation, and heat transfer
Quiz Flashcards
📖 Further reading Heat Transfer in Plumbing Systems →
1.3

Relative Density, Expansion and Combustion

How materials behave under temperature and pressure changes
Quiz Flashcards
📖 Further reading Thermal Expansion for Plumbers → Relative Density and Material Properties → Combustion and Fuels for Plumbers →
2.1

Intro to Water

Properties of water, the water cycle, and states of matter
Quiz Fill the Gaps Flashcards
📖 Further reading Properties of Water and pH → States of Matter and Latent Heat →
2.2

Pressure and Flow

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

Hard and Soft Water

Temporary and permanent hardness, limescale, and treatment
Quiz Short Answer Sort Flashcards
📖 Further reading Hard and Soft Water and Frost Protection →
3.1

Corrosion and Properties of Materials

Electrolytic action, dezincification, and material selection
Quiz Flashcards
📖 Further reading Materials, Density and Heat Capacity →
Unit 203 — Scientific Principles

Ready for Revision

You've reached the end of the module. Consolidate what you've learned with flashcards and revision quizzes.

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📖 Further reading — whole unit Level 2 Plumbing Science: The Complete Revision Guide →
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