PlumbingIQ
Sign InGet Started
PlumbingIQ

Learning

DashboardFlashcardsMy Progress

Testing & Mocks

Mock Exams

Account

Upgrade to Pro

⭐ Upgrade to Pro - £19

Unlock all lessons and mock exams to pass Level 2 + Level 3 theory exams.

Upgrade now
Module Overview

Scientific Principles

The underlying science of plumbing: heat transfer, pressure, water properties, and basic electrical principles.

Module Content

Follow the lessons in sequence and complete the quizzes after each lesson.

SI Units and Measurement

Get Access with Pro

Properties of Solid Materials (Metals)

Get Access with Pro

Properties of Solid Materials (Plastics & Ceramics)

Get Access with Pro

Mechanical Properties

Get Access with Pro

Corrosion of Metals

Get Access with Pro

Other Forms of Corrosion

Get Access with Pro

Degradation of Plastics

Get Access with Pro

Properties of Liquids (Water)

Get Access with Pro

Properties of Liquids (Others)

Get Access with Pro

Properties of Gases

Get Access with Pro

Temperature and Heat

Get Access with Pro

States of Matter

Get Access with Pro

Sensible and Latent Heat

Get Access with Pro

Conduction and Convection

Get Access with Pro

Radiation and Expansion

Get Access with Pro

Energy, Heat, and Power Calculations

Get Access with Pro

Velocity, Acceleration, and Flow Rate

Get Access with Pro

Force and Pressure

Get Access with Pro

Siphonic Action

Get Access with Pro

Mechanical Principles

Get Access with Pro

Forces in Action

Get Access with Pro

PlumbingIQ

Interactive City & Guilds Level 2 and Level 3 plumbing lessons, flashcards and mock exams, built for UK students and professionals.

© 2026 PlumbingIQ. All rights reserved.