Open Vented Hot Water Storage phase 1 1.1pt1

What is the purpose of a hot water cylinder in an open vented hot water storage system?

• To cool the water before distribution

• To store hot water in a central location

• To filter impurities from the water

• To increase water pressure

Where is the cold water feed cistern typically located in an open vented hot water storage system?

• In the basement

• On the ground floor

• In the roof space

• In the garden

What is common among all open vented systems?

• They use different pipework arrangements

• They have the same heat source

• They follow a similar pipework arrangement

• They use solar panels

What is the minimum diameter required for the cold feed pipe?

• 15mm

• 22mm

• 30mm

• 10mm

How high must the open vent rise?

• To the bottom of the cistern

• Halfway to the cistern

• All the way to the cistern

• Just above the storage vessel

What is the minimum length required for the hot water draw-off pipe before joining the vent pipe?

• 300mm

• 450mm

• 500mm

• 200mm

What is the minimum diameter for the hot water distribution pipe to the bath?

• 15mm

• 22mm

• 30mm

• 10mm

What are the two types of open vented hot water storage systems?

• Direct and closed systems

• Indirect and closed systems

• Direct and indirect systems

• Single and double systems

Which system uses a small hot water only boiler?

• Indirect open vented system

• Direct open vented system

• Closed vented system

• Double feed system

What type of system is the double feed indirect system?

• Direct open vented system

• Indirect open vented system

• Closed vented system

• Single feed system