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What should each dwelling have at least one of, in terms of water supply?

• One bathroom

• One 'potable' water supply outlet

• Two kitchen sinks

• One office area

In a home, where is the 'potable' water supply outlet normally found?

• In the bathroom

• In the bedroom

• At the kitchen sink

• In the living room

Where must drinking water be provided in addition to dwellings?

• In sleeping areas

• In areas of food preparation in other buildings like offices or commercial properties

• In recreational facilities

• In transportation hubs

How can outlets be connected to the mains water supply?

• Only directly

• Only indirectly

• Either directly or indirectly

• Neither directly nor indirectly

What are the two basic types of systems used in a dwelling for water supply?

• Direct and indirect systems

• Manual and automatic systems

• Simple and complex systems

• Permanent and temporary systems

What is the characteristic of the water supplied by all cold water taps in a direct cold water system?

• It is not suitable for drinking

• It is supplied indirectly from storage tanks

• It is potable

• It is supplied at low pressure

Which type of cold water system is most commonly used in modern domestic properties?

• Indirect cold water system

• Gravity-fed system

• Direct cold water system

• Pump-driven system

What is one of the advantages of a direct cold water system mentioned in the text?

• Requires complex piping

• Offers relatively low water pressure

• Is a cost-ineffective installation

• Provides relatively high pressure of supply from the mains

For what purpose is storage only required in a direct cold water system?

• To supply cold water to all appliances

• To supply cold water to the hot water cylinder

• To regulate the water pressure for the entire system

• To store hot water for domestic use

Is a feed cistern necessary when the hot water is supplied by an instantaneous hot water heater or 'combi' boiler?

• Yes, it is always necessary

• No, unless incoming pressure is unusually low

• Yes, but only for combi boilers

• No, it is never necessary