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