9074 revision Flue Systems and Safety Standards Quiz

What is the primary purpose of a flue duct in a heating system?

• To circulate air within the room

• To expel combustion gases safely

• To provide insulation

• To supply water to the system

According to BS 5440, what is the minimum clearance required for a flue duct from combustible materials?

• 10 mm

• 25 mm

• 50 mm

• 100 mm

Which of the following is a common method for terminating condensate from a condensing boiler?

• Direct discharge into a rainwater gutter

• Discharge into a soil stack

• Discharge onto a public footpath

• Discharge into a sealed container

What is the maximum length a flue duct can extend horizontally according to BS 5440?

• 1 metre

• 2 metres

• 3 metres

• 4 metres

Which material is commonly used for flue ducts to ensure safety and durability?

• Aluminium

• PVC

• Stainless steel

• Copper

What is the primary concern when installing flue ducts in ceiling voids?

• Aesthetic appearance

• Structural integrity

• Fire safety

• Noise reduction

What is the recommended slope for a condensate pipe to ensure proper drainage?

• 1 in 10

• 1 in 20

• 1 in 30

• 1 in 40

Which of the following is a requirement for combustion air supply in a balanced compartment?

• It must be drawn from the same room

• It must be drawn from outside

• It must be recirculated air

• It must be heated air

What is the minimum diameter for a flue duct serving a single appliance according to BS 5440?

• 50 mm

• 75 mm

• 100 mm

• 125 mm

Which of the following is NOT a suitable termination point for a condensate pipe?

• A soakaway

• A rainwater drain

• A kitchen sink waste

• A public sewer