CWS Water Treatment Equipment & Technologies 1

Question 1

What is the primary function of a reverse osmosis (RO) system?

Accepted Answer

Removes dissolved impurities

Answer

Sterilizes water

Answer

Softens water

Answer

Removes suspended solids

Question 2

Which equipment is used to reduce water hardness?

Accepted Answer

Water softener

Answer

UV purifier

Answer

Distiller

Answer

Carbon filter

Question 3

What does an activated carbon filter primarily remove?

Accepted Answer

Chlorine and odors

Answer

Minerals

Answer

Heavy metals

Answer

Pathogens

Question 4

Which system is designed to kill bacteria and viruses in water?

Accepted Answer

UV disinfection unit

Answer

Sediment filter

Answer

Ion exchange system

Answer

Carbon block filter

Question 5

What type of filter is best for removing particulate matter?

Accepted Answer

Sediment filter

Answer

RO membrane

Answer

Carbon block

Answer

UV system

Question 6

Which treatment method is effective against arsenic?

Accepted Answer

RO system

Answer

UV treatment

Answer

Chlorination

Answer

Softening

Question 7

What technology is used to oxidize iron in water?

Accepted Answer

Air injection

Answer

Carbon filtration

Answer

UV radiation

Answer

Sediment trap

Question 8

Which method is commonly used for iron and manganese removal?

Accepted Answer

Oxidation and filtration

Answer

Reverse osmosis

Answer

Ion exchange

Answer

UV treatment

Question 9

Which component protects a water treatment system from pressure surges?

Accepted Answer

Pressure relief valve

Answer

Flow restrictor

Answer

Check valve

Answer

Backflow preventer