Cold Water Systems POWER POINT ONE

Which of the following is a type of cold water system?

• Direct cold water system

• Hot water system

• Solar heating system

• Geothermal system

Which system involves indirect boosting with a pressure vessel?

• Indirect boosting with a pressure vessel

• Direct heating system

• Solar boosting system

• Geothermal pressure system

What is the process called when salts and minerals in water form a hard limescale that sticks to pipes and appliances?

• Filtration

• Evaporation

• Precipitation

• Distillation

Which of the following is NOT a method used to prevent precipitation in water systems?

• Water conditioners

• Water softeners

• Water filters

• Water heaters

What problem does limescale cause in appliances?

• Increases efficiency

• Reduces efficiency

• Enhances durability

• Improves performance

What is the primary function of a magnetic water conditioner?

• To add zinc to the water

• To prevent scale build-up by influencing calcium crystal formation

• To use dissolved hardness salts and minerals

• To remove all minerals from the water

Which type of water conditioner adds a minute amount of zinc to the water?

• Magnetic

• Electrolytic

• Electronic

• Osmotic

What is the purpose of an electronic (electromagnetic) water conditioner?

• To add zinc to the water

• To prevent scale build-up

• To use dissolved hardness salts and minerals to cluster together

• To remove all impurities from the water

What is the purpose of an electrolytic water conditioner in a plumbing system?

• To heat the water

• To soften the water

• To filter the water

• To increase water pressure

In the diagram, what is the function of the stop tap?

• To allow water flow

• To stop water flow

• To heat the water

• To filter the water