Feed Water Treatment Quiz

Why is feed water treatment necessary in a power plant?

• To remove harmful salts and impurities from the water before feeding it to the boiler

• To increase the pressure inside the heat-exchangers

• To accelerate the corrosion process in the boiler

• To reduce the efficiency of the power plant

What is the function of a demineralization plant in feed water treatment?

• To add more dissolved salts to the water

• To remove dissolved salts by ion exchange method

• To promote corrosion in the boiler

• To increase the hardness of the water

What is the purpose of a degasser tower in the feed water treatment process?

• To increase the pH of the water

• To promote scaling inside the channel

• To remove carbonate ions by forming carbon dioxide

• To add carbonate ions to the water

Which chemical is commonly used for chlorination in water treatment?

• Sodium hypochlorite

• Hydrogen peroxide

• Sodium bicarbonate

• Calcium chloride

What is the main process used in a reverse osmosis plant for water treatment?

• Ion exchange

• Filtration

• Distillation

• Reverse osmosis

What is the function of mixed bed resins in a demineralization plant?

• To add more dissolved salts to the water

• To remove ions present in the water after purification

• To promote corrosion in the boiler

• To increase the pH of the water

Why is dechlorination required in the water treatment process?

• To increase the chlorine concentration

• To protect the membranes from oxidation

• To promote biological fouling

• To enhance the scaling process

What is the purpose of a multi-grade filter in the water treatment process?

• To remove large size suspended particles

• To promote scaling inside the channel

• To increase the pH of the water

• To add more impurities to the water

What is the role of ultra-filtration in the water treatment process?

• To remove very small suspended particles

• To increase the hardness of the water

• To reduce the pressure inside the heat-exchangers

• To promote corrosion in the boiler

Why is pH controlling important in the water treatment process?

• To increase the acidity of the water

• To prevent damage to the semi-permeable membrane

• To promote scaling inside the channel

• To accelerate the corrosion process in the boiler