Cold Water Systems Quiz L3P2U5,2.4:7

What is the purpose of a water softener?

• To prevent scale build-up in appliances

• To remove water hardness in hard water areas

• To remove impurities from water

• To improve the taste and appearance of water

Where is it recommended to install water softeners?

• In commercial buildings

• In the kitchen sink

• As close to the main internal stop valve as possible

• In domestic buildings

Which type of water filter is usually sited under kitchen sinks?

• Reverse osmosis

• Sediment filters

• Ion exchange

• Activated carbon

What is the benefit of using water conditioners?

• Improvement in taste and appearance of water

• Prevention of scale build-up in appliances

• Reduction of scale in pipework

• Removal of impurities from water

What is the purpose of jug filters?

• To improve the taste and appearance of water

• To prevent scale build-up in appliances

• To remove impurities from water

• To remove water hardness in hard water areas

Which type of water conditioner works by influencing the type of calcium crystal precipitate?

• Electro-magnetic

• Electrolytic

• Electro-chemical

• Disinfection

What should be ensured when fitting a water softener?

• Installation in the kitchen sink

• Installation in commercial buildings

• Removal of all impurities from water

• At least 1 unsoftened water tap or outlet for drinking and culinary purposes

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

• Disinfection

• Electro-chemical

• Electrolytic

• Electro-magnetic

What is the purpose of water filters?

• To improve the taste and appearance of water

• To prevent scale build-up in appliances

• To condition the water

• To remove water hardness in hard water areas

What is the usual practice when installing water softeners?

• To install them in commercial buildings

• To install them in domestic buildings

• To install them in the kitchen sink

• To install them as close to the main internal stop valve as possible