Domestic Fuels Handout 3 Questions

What is kerosene a by-product of?

• Natural gas

• Crude oil

• Coal

• Biomass

What color is kerosene?

• Dark brown

• Pale yellow

• Bright red

• Clear

What type of fuel is kerosene?

• Low carbon fuel

• High carbon fuel

• Medium carbon fuel

• No carbon fuel

What is the preferred grade of kerosene for oil boilers in the UK?

• C1 grade 20 second viscosity oil

• C2 grade 28 second viscosity oil

• C3 grade 30 second viscosity oil

• C4 grade 25 second viscosity oil

Why is C2 grade 28 second viscosity oil preferred for oil boilers?

• Due to its low cost

• Due to its clean combustion

• Due to its high availability

• Due to its high energy content

How often do modern oil boilers require servicing?

• Monthly

• Quarterly

• Annually

• Biannually

What needs to be checked during the annual service of modern oil boilers?

• Fuel type

• Atomizing pressure jet burner

• Boiler size

• Water pressure

Who states the nozzle size and pump pressure for oil boilers?

• The user

• The manufacturer

• The installer

• The service technician

What should be followed to ensure that the appliance works correctly?

• User manual

• Manufacturer's instructions

• Installer's advice

• Service technician's notes

How does kerosene perform in cold weather?

• It solidifies

• It remains fluid

• It evaporates

• It thickens