WorksheetsDomestic Fuels Handout 3 Questions
Total questions: 15
Worksheet time: 8mins
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
Down to what temperature does kerosene remain fluid?
-20ºC
-30ºC
-40ºC
-50ºC
What is the main use of kerosene in the UK?
Cooking
Lighting
Oil boilers
Transportation
What is the primary reason for the annual service of oil boilers?
To check fuel levels
To ensure clean combustion
To check the atomizing pressure jet burner
To replace old parts
What is the main characteristic of kerosene that makes it suitable for cold weather?
High viscosity
Low freezing point
High energy content
Low cost
What is the significance of the nozzle size and pump pressure in oil boilers?
They determine the fuel type
They ensure efficient combustion
They control the water flow
They regulate the temperature
