Understanding Key Home Systems
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This document provides answers to common questions about essential household systems, including electricity, water, heating, and smart home technology.
Electricity Distribution Board Components and Functions
What does an electricity distribution board contain? What functions do they have? Identify the different parts of a board in the photo (photo not provided).
Answer:
Components often include: EAO - Main switch, EO - RCCB, EAT - MCBs.
Functions:
- To protect people from accidental contact with electricity.
- To protect the system from excessive energy (overcurrents, short circuits).
Common Household Utilities
Name different household utilities.
Answer:
Electricity, gas, water supply, drainage, heating, and air conditioning.
When Does a Main Circuit Breaker Trip?
When does a main circuit breaker trip?
Answer:
When there is a lower current value, so it can trip faster.
Household Cable Color Codes
Fill the gaps in the chart, defining the color of the cables in a normal house.
Answer:
| Name of the Wire | Color Code |
|---|---|
| Earth (E) | Green and yellow |
| Neutral (N) | Blue |
| Line in a simple phase circuit (L) | Brown |
Sockets: Two or Three Terminals?
Why is it common to have sockets with only two terminals?
Answer:
Sockets always have three terminals, so that you can connect any type of plug in them.
Required Electrification Level
Which kind or level of electrification do we need in this house if we need these circuits?
Answer:
Basic level.
Types of Water Sources
What types of water sources do we normally use?
Answer:
- Surface water (lakes and rivers).
- Groundwaters (aquifers).
- The sea by desalination.
Hot Water Pipe Materials and Reasons
What material do we use for hot water pipes? Why?
Answer:
Copper or plastic.
- Copper is more durable.
- Plastic is cheaper and easier to install; it helps maintain the temperature.
Energy Sources for Heating Houses
What energy sources do we use to heat houses?
Answer:
The most common source of energy is the boiler. It burns fossil fuels (natural gas, butane, etc.). In the case of individual heating systems, we can also use electricity and solar energy to heat our houses.
Most Important Way to Save Heating Energy
What is the most important thing you can do to save heating energy in a single home?
Answer:
The most important way to save energy in our houses is insulation. With insulation, we can reduce the heat lost through the walls or, especially, from the ceiling on the top floor.
Natural Gas Transport and Odorization
Is it easy to transport natural gas by vehicle? Why? Why do we mix “tert-butylthiol” with natural gas?
Answer:
No, because it has low density. We mix it to help us smell the gas if there is any leak.
What is Domotics? Domestic Robots
What is domotics? Name three domestic robots.
Answer:
Domotics is the creation of automated controls for our homes.
Examples of domestic robots: Vacuum cleaner robots, washing machines, and Thermomix.