Plumbing System Quiz

What component controls the temperature in the room?

• Room thermostat

• Cylinder thermostat

• Motorised valve

• Pump

What size is the cold feed pipe in the system?

• 15mm

• 20mm

• 25mm

• 30mm

Which component is used to set the heating schedule?

• Programmer

• Pump

• Motorised valve

• Room thermostat

What is one advantage of the C plan two-pipe semi-gravity system?

• All heat emitters reach the same temperature

• It is more expensive

• It is harder to install

• It uses more energy

What is one disadvantage of the C plan two-pipe semi-gravity system?

• Not fully pumped

• Very noisy

• Too expensive

• Difficult to maintain

What is the function of the feed and expansion cistern in the diagram?

• To feed and expand water

• To heat water

• To cool water

• To circulate air

What type of valves can be used in fully pumped systems?

• One-way valve

• Two zone valves or a three-port mid-position valve

• Pressure valve

• Safety valve

What does the valve react to?

• Room thermostat and cylinder thermostat

• Light switch and fan

• Doorbell and alarm system

• Television remote and radio

What type of valve connects the flow and return pipe?

• Automatic bypass valve

• Manual shut-off valve

• Pressure release valve

• Temperature control valve

What happens when circuits close down due to reaching temperature?

• The bypass opens

• The lights turn off

• The alarm sounds

• The doors lock