WorksheetsChapter 22 - Renewable Energies
Total questions: 40
Worksheet time: 30mins
Name
Class
Date
1.
Heat pumps have a ______ initial installation cost compared to other systems. (a)
Choose from the below words
High
Moderate
Low
Negligible
2.
Wind turbines require ______ permission before installation. (a)
Choose from the below words
Planning
No
Electrical
Water
3.
Solar PV panels work best on ______-facing roofs. (a)
Choose from the below words
South
East
North
West
4.
Biomass systems require regular ______ to maintain efficiency. (a)
Choose from the below words
Maintenance
Painting
Cooling
Charging
5.
Wind turbines have a typical lifespan of about ______ years with annual servicing. (a)
Choose from the below words
20
15
10
30
6.
Solar water heaters are most efficient during the ______ months. (a)
Choose from the below words
Summer
Winter
Autumn
Spring
7.
Biomass systems need adequate ______ space for fuel storage. (a)
Choose from the below words
Storage
Roof
Parking
Ventilation
8.
Heat pumps work best with ______ heating systems. (a)
Choose from the below words
Radiator
Underfloor
Ceiling fans
Air vents
9.
Solar PV systems only generate electricity during ______. (a)
Choose from the below words
Daylight
Night
Rain
Snow
10.
Wind turbine output depends on wind speed and ______ area. (a)
Choose from the below words
Swept
Heated
Painted
Insulated
11.
What does SAP stand for in energy rating of dwellings?
a)
Standard Assessment Procedure
b)
Sustainable Application Process
c)
Solar Analysis Protocol
d)
Structural Assessment Plan
12.
What is the SAP rating scale?
a)
0 to 50
b)
1 to 100
c)
10 to 1000
d)
A to G
13.
What percentage of carbon emissions relate to building occupation in the late 20th century?
a)
20%
b)
30%
c)
44%
d)
60%
14.
Which of the following best defines renewable energy?
a)
Energy from fossil fuels
b)
Energy that cannot be replenished
c)
Energy from sources that naturally replenish
d)
Energy stored in batteries only
15.
Which government target aimed to reduce greenhouse gas emissions by 2050?
a)
30%
b)
40%
c)
50%
d)
60%
16.
Which renewable energy source is normally captured by panels on a roof?
a)
Wind
b)
Solar
c)
Biomass
d)
Geothermal
17.
Which of these is NOT a renewable energy source?
a)
Wind
b)
Oil
c)
Solar
d)
Biomass
18.
What is the main purpose of an Energy Performance Certificate (EPC)?
a)
To measure structural strength
b)
To show energy efficiency of a property
c)
To calculate mortgage rates
d)
To assess fire safety
19.
Which renewable source contributed over 80% of Northern Ireland’s renewable electricity up to June 2025?
a)
Biomass
b)
Wind
c)
Solar
d)
Hydro
20.
What is the most critical criterion for wind turbine installation?
a)
Colour of blades
b)
Suitable site with steady wind flow
c)
Proximity to a forest
d)
Height less than 5 metres
21.
What converts wind energy into electricity inside a turbine?
a)
Rotor only
b)
Gearbox only
c)
Generator
d)
Brake
22.
Which component measures wind speed on a turbine?
a)
Brake
b)
Anemometer
c)
Controller
d)
Gearbox
23.
What is the most efficient height for a wind turbine?
a)
5 metres
b)
10 metres plus blade height
c)
50 metres
d)
Ground level
24.
Which type of wind turbine is most common?
a)
Vertical Axis Wind Turbine (VAWT)
b)
Horizontal Axis Wind Turbine (HAWT)
c)
Diagonal Axis Turbine
d)
Spiral Axis Turbine
25.
What does a photovoltaic cell do?
a)
Stores heat
b)
Converts light into electricity
c)
Converts electricity into heat
d)
Stores water
26.
Which renewable energy uses buried pipes to absorb heat?
a)
Solar
b)
Biomass
c)
Geothermal
d)
Wind
27.
What temperature does a heat pump typically upgrade water to?
a)
10–20°C
b)
20–30°C
c)
40–50°C
d)
70–80°C
28.
Which material is commonly used for biomass energy in Northern Ireland?
a)
Coal
b)
Willow
c)
Oak
d)
Bamboo
29.
What is the main advantage of biomass pellets over raw wood?
a)
Lower cost
b)
Higher efficiency
c)
Easier to grow
d)
No need for burning
30.
Approx. what percentage of Northern Ireland’s electricity came from renewables as of July 2025?
a)
15%
b)
25%
c)
40%
d)
50%
31.
Which renewable source is considered inexhaustible?
a)
Oil
b)
Coal
c)
Wind
d)
Gas
32.
What is the main environmental benefit of wind power?
a)
Requires no land
b)
Emission-free electricity generation
c)
Produces heat
d)
Works without wind
33.
Which renewable energy system often uses battery banks for storage?
a)
Wind
b)
Solar
c)
Biomass
d)
Geothermal
34.
What is the main disadvantage of solar thermal collectors?
a)
Cannot heat water
b)
Require sunlight
c)
Too heavy for roofs
d)
Produce electricity only
35.
Which renewable energy source uses a gearbox in its system?
a)
Solar
b)
Wind
c)
Biomass
d)
Geothermal
36.
What is the main function of a nacelle in a wind turbine?
a)
Holds the blades
b)
Houses the generator and gearbox
c)
Stores electricity
d)
Measures wind speed
37.
Which renewable energy source is most suitable for an offshore location?
a)
Solar
b)
Wind
c)
Biomass
d)
Geothermal
38.
What is the main purpose of SAP calculations?
a)
To design structural foundations
b)
To predict heating and hot water costs
c)
To measure roof pitch
d)
To calculate floor loads
39.
Which renewable energy source uses a rotor to capture energy?
a)
Solar
b)
Wind
c)
Biomass
d)
Geothermal
40.
What is the main reason for using renewable energy in buildings?
a)
Increase embodied energy
b)
Reduce carbon footprint
c)
Increase fossil fuel use
d)
Reduce insulation
100 %
