Hot and cold water systems​ (Hot water) Plumbing Lv1

What makes a hot water system low-pressure?

• Water supplied from the mains

• Heating the water with a coil

• Water supplied from a cistern in the loft

• Using a combination boiler

Where does a high-pressure hot water system get its water from?

• A cistern in the loft

• Rainwater collected on the roof

• A nearby river

• Directly from the mains

How is water heated in an indirect hot water system?

• By solar panels

• Using a gas stove

• With a coil or immersion heater

• Through electrical resistance

What happens when a hot water outlet is opened in a property with a low-pressure system?

• Nothing happens

• Water turns cold

• Water is pumped to the outlet

• Water flows under gravity to the outlet

Where does the hot water in a combination boiler system come from?

• Collected rainwater

• Directly from the mains

• A cistern in the loft

• A storage tank in the basement

How does a combination boiler heat the water?

• Using solar energy

• By burning wood

• With an electric coil

• Through a heat exchanger

What is the pressure of the hot water from a combination boiler?

• No pressure

• High pressure

• Medium pressure

• Low pressure

Can the hot water from a combination boiler supply multiple floors?

• Only the ground floor

• Only the first floor

• Neither, it's only for outdoor use

• Both ground and first floor and more if required

What is the source of cold water in an indirect hot water system?

• A well

• The mains

• A cistern in the loft

• A nearby lake

How does the hot water reach the outlets in an indirect hot water system?

• Using magnetic force

• Through a series of fans

• Under gravity

• It is pumped