Oil-fired Appliances Quiz

What type of oil is commonly used in oil-fired appliances as an alternative to gas appliances?

• C2-grade 28-second viscosity oil

• B5-grade 15-second viscosity oil

• D3-grade 35-second viscosity oil

• A1-grade 20-second viscosity oil

Which type of oil-fired appliance uses a sealed system?

• Traditional boilers

• Condensing boilers

• System boilers

• Cookers

What is a common feature of both condensing boilers and combination boilers according to the table?

• They are both room-sealed

• They both use pressure-jet firing

• They both use vaporising burners

• They are both wall-mounted

Which type of burner requires a spark electrode to ignite the oil and air mixture?

• Vaporising burner

• Pressure-jet or atomising burner

• Pressure-feed burner

• Balanced flue burner

What is the function of the fuel pump in a pressure-jet oil burner?

• To mix the oil with air

• To break the oil down into a mist

• To ignite the oil and air mixture

• To regulate the temperature of the oil

Which type of oil-fired central heating systems are pressure-jet type boilers installed on?

• Traditional boilers only

• Condensing system boilers only

• Condensing combi boilers and wall-mounted types only

• All modern oil-fired central heating systems including condensing system boilers, condensing combi boilers, and wall-mounted types

Which of the following is an advantage of oil pressure-jet burner installation according to Building Regulations Document L?

• High maintenance

• Noisy operation

• Very high efficiency

• Requires oil tank for fuel storage

What is a disadvantage of vaporising burners?

• They are very quiet in operation

• They are compliant with Building Regulations Document L

• They offer a very good flow rate on hot water supply

• They have very limited use (cookers only)

Which component is not part of the oil pressure-jet burner installation diagram?

• Control box

• Blast tube

• Fire valve

• FE&E cistern

What is the basic concept behind all central heating appliances needing a flue?

• To regulate the temperature within the building

• To remove the products of combustion safely to the outside

• To filter the incoming air for the heating system

• To provide an inlet for oxygen to assist combustion