questions n correct answers
Why do we need building services? - correct answer ✔✔- Operational functionality
- comfort and livability
- safety
- energy efficiency and environmental impact
- communication and connectivity
- accessibility
- compliance with regulations
- specialized requirements
Why is it important to learn about building services? - correct answer ✔✔- design understanding
- energy efficiency and sustainability
- cost management
collaboration & coordination
- regulatory compliance
- project planning
- innovation and tech integration
- risk management
- client satisfaction
How much do building services contribute to the total construction budget? - correct answer ✔✔30-45%
of a typical building construction budget
Why do we need electrical services? - correct answer ✔✔Most of peoples needs require electricity.
Large contributor to household energy usage. (lights / power)
, What is the major contributor to energy consumption in a typical commercial building? - correct answer
✔✔HVAC & Lighting
What is the difference between AC & DC? - correct answer ✔✔AC = Alternating Current; DC = Direct
Current
AC = Frequency; DC = no frequency
AC = Large generators ; DC = batteries, computer, ipad etc.
AC: Averages values for voltage & currents
In Australia, what is the main source of electrical energy? Is it efficient and what could improve the
efficient of Australia's energy grid? - correct answer ✔✔Main source = from coal generating station
Efficiency = from coal to electricity at home = 28% efficiency
How to improve = use modern grid two way energy flow. use locally generated renewable energy such as
rooftop solar photovoltaic systems.
How do we get electricity into offices & lecture rooms? - correct answer ✔✔Power grid - substation -
main switchboard - distribution board - lights / power outlets
What are the main components of a solar power system? - correct answer ✔✔1. Solar panels generate
direct current (DC) from sunlight using photovoltaic process.
2. Inverter changes direct current into alternating current, then feeds the renewable energy into
switchboards for the building.
3. building consumes electricity required
4. extra electricity goes back to the grid
What are the factors to consider when installing solar panels? - correct answer ✔✔- available area
- orientation, geography
- local surroundings
- user behaviour
- technical limitations