Energy Efficiency - JSS2 Basic technology Past Questions and Answers - page 1
1
Why is energy efficiency important in buildings and appliances?
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A
Increases greenhouse gas emissions
B
Reduces energy consumption
C
Promotes energy dependence on fossil fuels
D
Requires more resources for investments
2
Which strategy helps reduce heating and cooling loads in buildings?
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A
Installing energy efficient lighting
B
Upgrading to smart thermostats
C
Enhancing building insulation
D
Using non rated appliances
3
What benefit does transitioning to LED bulbs provide?
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A
Increases energy consumption
B
Lowers energy consumption
C
Decreases building insulation
D
Raises greenhouse gas emissions
4
Which technology optimises heating and cooling schedules based on occupancy?
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A
Programmable thermostats
B
Solar PV installations
C
Energy audits
D
Smart home technologies
5
What do energy-efficient appliances typically feature to reduce electricity consumption?
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A
Energy Star ratings
B
Higher operational costs
C
Increased greenhouse gas emissions
D
Lower efficiency standards
6
What practical activity assesses energy use and identifies efficiency opportunities in buildings?
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A
Solar PV installations
B
Smart home technologies
C
Building energy audits
D
Green building designs
7
What environmental benefit is associated with energy efficiency improvements?
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A
Increased energy consumption
B
Higher utility bills
C
Reduced greenhouse gas emissions
D
Dependency on fossil fuels
8
Which sustainable building practice enhances energy efficiency through natural means?
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A
Passive solar design
B
Using inefficient appliances
C
Greenhouse gas emissions
D
Unrated appliances
9
What does energy efficiency promote in terms of resource conservation?
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A
Increased energy consumption
B
Sustainability
C
Higher greenhouse gas emissions
D
Dependence on imported energy sources
10
Which technology showcases real-time energy production and financial benefits?
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A
Green building design
B
Energy efficient HVAC systems
C
Solar PV installations
D
Smart home technologies
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