PPT2 Hot water systems

How is the secondary water heated in a double-feed hot water cylinder

• Via a secondary boiler

• convection

• conduction

• Immersion heater

The Building Regulations insist that there is adequate control of the hot water system to prevent the water reaching

• 60 degrees

• 100 degrees

• 55 degrees

• 82 degrees

What is the main focus of the unit mentioned in the document?

• Single-feed cylinders

• Double-feed cylinders

• Direct systems

• Closed systems

• The heated water in the cylinder should be stored at

• 50-55 degrees

• 100 degrees

• 60-65 degrees

• 45-50 degrees

What is the primary water source in a double-feed indirect hot water storage system?

• Rainwater

• Water from a boiler

• Groundwater

• River water

What is the connection type for the primary return in the system?

• 2" female thread

• 1" male thread

• 3" male thread

• 1" female thread

What is the primary purpose of the double-feed indirect hot water storage system?

• To store cold water

• To heat water efficiently

• To purify water

• To cool water

What is the diameter of the vent from the primary hot water system connected to the boiler?

• 15mm

• 22mm

• 28mm

• 40mm

What is the diameter of the cold feed to the primary system?

• 15mm

• 22mm

• 28mm

• 40mm

What is the height of the vent from the primary hot water system?

• 100mm

• 150mm

• 200mm

• 250mm