L2 #2 Heating System Quiz

What ensures the system maintains a minimum pressure?

• Boiler

• Flu damper

• Feed and expansion cistern

• Heat leak radiator

What is one advantage of the two-pipe semi-gravity system with a heat sink?

• Restricted heat control

• Compliant with Building Regulations part L

• Overheating possible

• Can be expensive

Which of the following is a disadvantage of the two-pipe semi-gravity system with a heat sink?

• Compliant with Building Regulations part L

• Easy to install

• Restricted heat control

• Cost-effective

What is the purpose of the feed and expansion cistern in a central heating system?

• To provide additional heat

• To allow for water expansion and supply

• To filter the water

• To control the room temperature

What is the function of the 22mm vent pipe in the system?

• To release excess heat

• To allow air to escape

• To circulate water

• To control water flow

What is the role of the 22mm flow and return pipes?

• To heat the water

• To circulate water to and from the radiators

• To store water

• To control air flow

What is the main purpose of the three-port mid-position valve?

• To control gas flow

• To control water flow

• To control air flow

• To control electricity flow

What is the size of the cold feed pipe in the system?

• 10mm

• 15mm

• 22mm

• 28mm

What activates the second zone valve in the S plan system?

• Cylinder thermostat

• Room thermostat

• Outdoor sensor

• Manual switch

Which component is used to program the heating schedule?

• Wiring centre

• Room thermostat

• Programmer

• Cylinder thermostat