Energy Efficiency Fundamentals Course MCQ

When making efficiency improvements, passive and active efficiency measures should always be followed by which of the following in order to sustain savings?

Environmental goals

Recycling

Prioritizing efficiency projects

Monitoring

Installing occupancy and light-level sensors and implementing variable frequency drives in motors are examples of which type of efficiency measure?

Active

Passive

Subjective

Wasteful

Which of the following is the name for an analysis of a building's energy use where opportunities for reducing energy consumption are identified and prioritized?

Industrial assessment

Energy audit

Energy action plan

None of the above

How much energy efficiency improvement can be achieved with current technologies?

Up to 5%

Up to 30%

Exactly 70%

100%

Replacing existing equipment with lower consumption devices, fixing leaks and adding insulation are examples of which type of efficiency measure?

Active

Passive

Subjective

Wasteful

Why is energy efficiency at the point of use the quickest, cleanest, most effective solution to the energy dilemma?

Because due to transmission and generation losses, 300 units of primary energy are required to provide 100 units of end-user electricity. Hence saving energy at the point of use is more effective than building a new power plant with double the efficiency

Because the cleanest unit of energy is a unit of energy that wasn't produced and used

Because energy efficiency solutions are available now

Because energy projects are low risk and outperform many other investments

All of the above

Energy efficiency can be defined as:

Reducing the amount of energy used by decreasing outcomes: doing less with less

Reducing the carbon footprint by using fewer fossil fuels

Reducing the amount of energy used while maintaining outcomes: doing more with less

What is the energy dilemma?

Fossil energy sources are running out but unconventional gas and oil sources are still too expensive

Energy demand is forecast to double, while emissions have to be cut by half to avoid dramatic climate change

Choosing between wind and solar power

Biofuels are a solution to growing energy demand but there are complaints of impact on food supplied

What percentage of energy consumption is used by industry, residences and tertiary buildings?

18%

30%

72%

90%

"You can't manage what you don't measure". Which of the following helps you overcome this issue regarding energy?

Energy management software

Energy efficient light bulbs

Automation systems