boosted cold water systems

Which method is used to prevent scale build-up by influencing the type of calcium crystals precipitated?

• Magnetic

• Electrolytic

• Electronic

• Chemical

What is the process called when salts and minerals re-form in water as hard limescale?

• Filtration

• Precipitation

• Sedimentation

• Distillation

Where are most modern water softeners typically installed?

• In the bathroom

• Under the kitchen sink

• In the attic

• In the garage

Which type of drinking water filter is usually sited underneath the kitchen sink?

• Jug filter

• Plumbed-in filter

• Magnetic filter

What is the main function of drinking water filters?

• To remove water hardness

• To improve taste, odour, and appearance of water

• To add minerals to water

• To filter out bacteria

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

• Water conditioners

• Water softeners

• Water filters

• Water heaters

What type of crystals are formed by magnetic water conditioners?

• Needle-like aragonite crystals

• Large calcite crystals

• Small calcite crystals

• None of the above

Which type of water conditioner uses electromagnetic fields to prevent scale build-up?

• Magnetic

• Electrolytic

• Electronic

• Chemical

Which component is used to control the water level in a high-level cistern in a direct boosted cold water system?

• Pressure switch

• Float switch

• Solenoid valve

• Expansion vessel

What is the function of a break cistern in an indirect boosted cold water system?

• To store water before it is pumped

• To heat the water

• To filter the water

• To reduce water hardness