Water Treatment Multiple Choice Questions with Answers – PDF Download

MCQ 1: Fluoride is also added to water, which helps in preventing:

1. infection
2. sickness
3. fever
4. tooth decay

MCQ 2: The tanks that supply water to towns are built at:

1. roofs of buildings
2. high towers
3. town level
4. high lands

MCQ 3: An addition of small dose of chlorine gas to the filtered water is known as:

1. coagulation
2. sedimentation
3. filtration
4. chlorination

MCQ 4: The process in which water is passed through filter beds of sand and gravel to remove smaller particles of dust is called:

1. coagulation
2. sedimentation
3. filtration
4. chlorination

MCQ 5: Huge strainers are used to:

1. force water to the treatment plant
2. increase the water pressure
3. filter large particles in the water
4. filter bacteria and other harmful organisms