Domestic Fuel System Phase 3 9189

What is the most widely used fuel in domestic properties?

• LPG

• Natural gas

• Kerosene

• Coal

Which fuel is colourless and odourless in its pure form?

• Solid fuel

• Natural gas

• Biomass

• LPG

Which gas is added with an odour for leak detection purposes?

• Natural gas

• Propane

• Butane

• Kerosene

Which fuel has a specific gravity of 0.6–0.8?

• Butane

• LPG

• Natural gas

• Kerosene

What is the calorific value range of natural gas?

• 27–30 MJ/m³

• 15–20 MJ/m³

• 35–40 MJ/m³

• 10–15 MJ/m³

Which LPG gas has a specific gravity of 2.0?

• Propane

• Methane

• Butane

• Kerosene

What colour is used to identify propane storage bottles?

• Blue

• Red

• Green

• Yellow

What is the boiling point of butane?

• -4°C

• -42°C

• 0°C

• 10°C

Kerosene is commonly known as which grade of oil in the UK?

• C1 grade

• B2 grade

• C2 grade

• A1 grade

What temperature does kerosene remain fluid down to?

• -10°C

• -20°C

• -30°C

• -40°C