Domestic Fuels and Combustion

What are the three main types of solid fuels used in the UK?

• coal, coke, and peat

• wood, coal, and oil

• gas, oil, and coke

• peat, wood, and gas

What is a key difference between coal and peat in terms of carbon content?

• Peat has a higher carbon content than coal.

• Coal and peat have the same carbon content.

• Peat has a slightly higher carbon content than coal.

• Coal has a higher carbon content than peat.

How is coke produced?

• By burning wood in a furnace

• By heating peat in a special oven

• By heating coal in a coke oven

• By refining oil at high temperatures

What is a characteristic of coke's combustion?

• It burns with a smoky flame.

• It produces a lot of ash.

• It burns clearly without a flame.

• It cannot burn at all

Where is coke used?

• Only in domestic boilers

• Only in the steelmaking industry

• Only in chemical processes

• Steelmaking industry, chemical processes and domestic boilers

How is peat formed?

• From the decomposition of animal waste

• From the erosion of rocks

• From decaying plants over thousands of years

• From the compression of sand and clay

What is a notable characteristic of peat when it's burned?

• It burns without any ash.

• It burns with a blue flame.

• It produces large amounts of ash.

• It has a low carbon content.

Name three examples of sustainable low-carbon fuels.

• Natural gas, LPG, and oil

• Coal, coke, and peat

• Solar thermal, biomass, and heat pumps

• Propane, Butane, and Kerosene

What role does availability play in fuel selection?

• It has no role in fuel selection.

• It is the only factor in fuel selection.

• It plays a minor role in fuel selection.

• It plays a big part in choosing the fuel for installation.

What should be remembered when considering gas appliances and fuel types?

• Gas appliances can use any type of gas.

• All gas appliances are dual fuel.

• Gas appliances are specific to a type of gas – natural or LPG.

• Gas appliances do not require a specific fuel type