Water Treatment Plant 1

What is the primary function of the utility unit in industry?

• To supply raw materials for other industries

• To generate electricity

• To manage waste disposal

• To prepare operational needs for plants

What is the required pH range for filtered water in the water treatment plant?

• 7.0 - 8.0

• 8.5 - 9.5

• 6.5 - 7.5

• 5.0 - 6.0

What is the main purpose of the demineralization process?

• To remove dissolved salts from water

• To increase water temperature

• To filter out large particles

• To add minerals to water

Which chemical is used to prevent corrosion in the cooling water system?

• Alum

• ortho-phospate, polyphospate and zinc

• Chlorine

• Sodium hydroxide

What is the role of the deaerator in the steam generation process?

• To cool down the steam

• To increase steam pressure

• To remove air from boiler feed water

• To filter impurities from water

What is the main purpose of the coagulation process in water treatment?

• Reduce dissolved oxygen levels

• Removes microorganisms

• Removes small particles by combining them into flocs

• Regulates the pH of the water

In water treatment, what is the function of the filtration process?

• Destroys chemical contaminants

• Removes solid impurities from water

• Reduces the temperature of water

• Increases the hardness of water

What is the oxidizing biocide process in water treatment?

• The addition of chemicals to improve the taste of water

• Use of chemicals or physical methods to control the growth rate of microorganisms

• Removal of large particles from water

• Reduction of salt content in water

Which of the following is one of the commonly used cooling water treatment methods?

• corrosion inhibitor

• Ozonation process

• Coagulation

• Sand filtration

What are the main ingredients in the coagulation and flocculation process in water treatment?

• Activated carbon

• Lime

• Aluminum sulfate (alum)

• Ozone