Self Evaluation Quiz - Water Treatment Processes
10 Questions
| Total Attempts: 99
Quiz 1
Questions and Answers
- 1.The process of destabilization of colloidal particles by charge neutralization in water treatment is referred to as
- A.
Clarification
- B.
Flocculation
- C.
Coagulation
- D.
Sedimentation
- 2.Which of the following water treatment processes uses naturally occurring biological activity to clean drinking water?
- A.
Pressure filtration
- B.
Rapid sand filtration
- C.
Slow sand filtration
- D.
Membrane filtration
- 3.The purpose of screening during water intake for treatment is to
- A.
Remove odour-producing compounds
- B.
Prevent scaling and corrosion
- C.
Remove disease-causing organisms from raw water
- D.
Protect pumps and conduits from blockage
- 4.All the following processes can remove solids from water except
- A.
Filtration
- B.
Sedimentation
- C.
Aeration
- D.
Screening
- 5.Settling of particulate matter in water without the aid of chemicals is referred to as
- A.
Sedimentation
- B.
Induced sedimentation
- C.
Plain sedimentation
- D.
Precipitation
- 6.The World Health Organisation is responsible for establishing drinking water standards for public health protection worldwide.
- A.
True
- B.
False
- 7.In water treatment, the characteristics of raw water is usually not considered before selecting a treatment method.
- A.
True
- B.
False
- 8.The range of unit processes and operations in a conventional water treatment plant is usually arranged in series.
- A.
True
- B.
False
- 9.Intake structures for water treatment are always required to operate under gravity to reduce cost.
- A.
True
- B.
False
- 10.A floating or pontoon type intake structure for abstracting raw water can be classified as a variable intake structure.
- A.
True
- B.
False
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