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
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
What benefit does transitioning to LED bulbs provide?
Increases energy consumption
Lowers energy consumption
Decreases building insulation
Raises greenhouse gas emissions
Which technology optimises heating and cooling schedules based on occupancy?
Programmable thermostats
Solar PV installations
Energy audits
Smart home technologies
What do energy-efficient appliances typically feature to reduce electricity consumption?
Energy Star ratings
Higher operational costs
Increased greenhouse gas emissions
Lower efficiency standards
What practical activity assesses energy use and identifies efficiency opportunities in buildings?
Solar PV installations
Smart home technologies
Building energy audits
Green building designs
What environmental benefit is associated with energy efficiency improvements?
Increased energy consumption
Higher utility bills
Reduced greenhouse gas emissions
Dependency on fossil fuels
Which sustainable building practice enhances energy efficiency through natural means?
Passive solar design
Using inefficient appliances
Greenhouse gas emissions
Unrated appliances
What does energy efficiency promote in terms of resource conservation?
Increased energy consumption
Sustainability
Higher greenhouse gas emissions
Dependence on imported energy sources
Which technology showcases real-time energy production and financial benefits?
Green building design
Energy efficient HVAC systems
Solar PV installations
Smart home technologies