215 ppt4 Localized Systems Quiz

What is the primary function of localised systems?

• To serve multiple outlets

• To serve one outlet at the position where it is needed

• To provide central heating

• To store hot water

Which of the following is NOT a category of localised systems?

• Instantaneous type heaters

• Storage type heaters

• Central heating systems

• Gas- or oil-fired combination boilers

Which systems are usually installed where the appliance is some distance away from the centralised hot water supply?

• Central systems

• Localised systems

• Distributed systems

• Multi-point systems

What is the main advantage of instantaneous type heaters?

• They are cost-effective

• They provide hot water without delay

• They are easy to install

• They are energy-efficient

What is the alternative location for localised instantaneous water heaters besides above the sink?

• In the garden

• Under the sink

• In the garage

• On the roof

What component controls the temperature in a localised storage water heater?

• Insulation

• Heater element

• Thermostat

• Swivel spout

Match the purpose of each component in a localised storage water heater.

• Insulation

• To control water flow

• Heating element

• To prevent heat loss

• Valve

• To reduce noise

• Soundproofing material

• To heat the water

What is the main purpose of a localised storage water heater?

• To store cold water

• To allow hot water at a single point

• To filter water

• To increase water pressure

What is the role of the heater element in a localised storage water heater?

• To cool the water

• To heat the water

• To filter the water

• To circulate the water

What is indicated by the arrow labeled 'Gas inlet' in the diagram?

• Direction of water flow.

• Direction of gas flow.

• Location of the water heater.

• Position of the diaphragm.