Chimney and Flue System Quiz

What is one of the operating principles for a chimney or flue system?

• To cool down the air

• To remove combustion products to the outside

• To increase humidity

• To block airflow

What is the purpose of drawing in air for combustion in a chimney system?

• To create a vacuum

• To extinguish the fire

• To support combustion

• To reduce noise

What causes the 'up draught' in a chimney system?

• Cold air sinking

• Hot gases rising

• Water evaporating

• Wind blowing

What is the main purpose of a chimney or flue system?

• To create an up draught to remove fumes

• To heat the room

• To provide light

• To cool the air

What are the two types of flue designs mentioned?

• Natural draught and room sealed

• Open and closed

• Vertical and horizontal

• Large and small

What is the simplest design of flues that relies on heat rising to create the up draught?

• Closed flues

• Open flues

• Sealed flues

• Balanced flues

How is air for combustion supplied to the room and appliance in an open flue system?

• Through a chimney

• From outside via a vent

• Through a window

• From the basement

What are the two types of draughts that open flues can have?

• Mechanical and electrical

• Natural and forced

• Manual and automatic

• Hot and cold

What is the purpose of the fan in an open flue with forced draught?

• To cool down the appliance

• To create a positive up draught

• To reduce noise

• To increase fuel efficiency

What is the main advantage of room sealed (balanced) flues?

• They are cheaper to install.

• They are safer than open-flued appliances.

• They are easier to clean.

• They use less energy.