6035CHPPT1Q2

What size is the primary pipework associated with solid fuel boilers in gravity systems?

• 36mm

• 32mm

• 28mm

• 22mm

What is the drawback of the one pipe gravity system?

• Limited heat output

• Inability to circulate water properly

• High installation cost

• Cooling of flow water in each radiator

What is the purpose of the F&E in a heating system?

• To regulate the flow and return of water

• To control the temperature of the radiators

• To fill the primary circuit

• To add inhibitor to the system

What type of heating system cannot have inhibitor added to it?

• Full gravity system

• Two pipe semi gravity with heat sink

• Single feed or primatic hot water cylinders

• One pipe semi gravity

What is the main method of circulating water in gravity or semi gravity systems?

• Pressure differential

• Thermal expansion

• Pump

• Convection currents

What is the main disadvantage of full gravity systems?

• High installation cost

• Lengthy heat-up time and reduced efficiency.

• Inability to circulate water properly

• Limited heat output

What is the purpose of the large diameter pipework in full gravity systems?

• To reduce installation cost

• To increase heat output

• To regulate the flow and return of water

• To allow convection to work properly

What type of heating system relies on gravity to heat up the flow and return stems to each radiator?

• C plan plus semi gravity system

• C plan semi gravity

• Two pipe semi gravity

• One pipe system

What is the main characteristic of a single feed or primatic hot water cylinder?

• Can be converted to a pumped system

• Ability to add inhibitor to the system

• Uses convection currents for circulation

• No F&E to fill the primary circuit

What is the main method of heating up the flow and return stems to each radiator in a one pipe gravity system?

• Pressure differential

• Convection currents

• Thermal expansion

• Pump