En Tech As

Which of the following is NOT a fossil fuel?

• Coal

• Wood

• Gas

• Oil

Fracking is a process used to extract

• Coal

• Oil

• Gas

• Wood

Which of the following does NOT need crude oil?

• Creating electricity

• Heating

• Bonfire

• Transportation

What does IPCC stand for?

• International panel on climate change

• Internal panel on climate change

• Intergovernmental panel on climate change

• Integral paper on Climate Change

The excessive use of fossil fuels has caused sea levels to rise.

• True

• False

What concept was developed at the Kyoto Protocol to try to curb carbon emissions?

• Hat and trade

• Emission auctions

• Carbon Trading

• Carbon unit purchase

The most commonly found turbine in Northern Ireland is the

• HAWT

• VAWT

• Wee ones

Name one component of a wind turbine which is housed inside the nacelle.

• Blade

• Anemometer

• Gear box

• Yaw motor

Which of the following has no impact on the power output of a wind turbine?

• Wind Direction

• Wind Speed

• No. of blades

• Shape of blades

Betz Limit mean the rotor efficiency is

• 59.3%

• 95.3%

• 39.5%

• 20%