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Read through the material below, then test your understanding.
Module Lessons
Scientific Principles
SI Units and Measurement
Properties of Solid Materials (Metals)
Properties of Solid Materials (Plastics & Ceramics)
Mechanical Properties
Corrosion of Metals
Other Forms of Corrosion
Degradation of Plastics
Properties of Liquids (Water)
Properties of Liquids (Others)
Properties of Gases
Temperature and Heat
States of Matter
Sensible and Latent Heat
Conduction and Convection
Radiation and Expansion
Energy, Heat, and Power Calculations
Velocity, Acceleration, and Flow Rate
Force and Pressure
Siphonic Action
Mechanical Principles
Forces in Action
Lesson Overview
This lesson covers fundamental heat, energy, and power calculations used in plumbing and heating systems. You will learn to calculate energy requirements, boiler power ratings, and heat-up times for domestic hot water cylinders.
Learning Objectives
Identify the SI units and constants used to calculate heat energy, power, and specific heat capacity.
Calculate the quantity of heat energy (kJ) and boiler power (kW) required to raise water temperature over time.
Calculate the time taken in seconds and minutes to heat a given volume of water using an electrical appliance.
Interactive City & Guilds Level 2 and Level 3 plumbing lessons, flashcards and mock exams, built for UK students and professionals.
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