Hot Water Systems Quiz L3P2U6,1.3

What determines the pipe size for a hot water system?

• The type of system installed

• The size of the property

• How many hot water outlets there are on the system

• The distance from the heat source/hot water storage point to the outlets

What is the recommended size for a vent pipe?

• 15mm

• 22mm

• 28mm

• 40mm

What size of cold water supply is generally recommended for unvented hot water systems?

• 28mm

• 22mm

• 15mm

• 40mm

When Hot water is supplied by a Multipoint water heater What pipe size is usually used to connect the bath?

• 28mm

• 40mm

• 15mm

• 22mm

Which type of hot water system requires a minimum of 22mm hot water draw-off?

• Unvented Hot Water Storage Systems

• Instantaneous Hot Water Storage Systems

• Open vented Hot Water Storage Systems

• None of the above

Which type of hot water system may require secondary circulation with large systems?

• All of the above

• Instantaneous Hot Water Storage Systems

• Unvented Hot Water Storage Systems

• Open vented Hot Water Storage Systems

What is the recommended pipe size for the cold feed from the cistern to the cylinder in open vented hot water storage systems?

• 28mm

• 40mm

• 22mm

• 15mm

What is the recommended pipe size for the hot water draw-off in open vented hot water storage systems?

• 15mm

• 22mm

• 28mm

• 40mm

What is the recommended pipe size to be taken to the bath in open vented hot water storage systems?

• 15mm

• 22mm

• 28mm

• 40mm

What is the recommended pipe size for the vent pipe in open vented hot water storage systems?

• 40mm

• 28mm

• 22mm

• 15mm